Example about compound word

Cover image for article

The words pancake, living room, and merry-go-round have something in common.

They are all examples of compound words.

The noun compound means something made up of two or more separate components. Compound can also be an adjective meaning consisting of two or more parts or components.

A compound word is one word, or one unit of meaning, that is created by joining two or more separate words together.

Image showing definition of compound words

What Are Compound Words?

A compound word is a word made up of usually two but sometimes more words that are joined together. The two (or more) that make the compound word are independent words; they have their own distinct meanings. When those words are joined and form a compound word, that compound word has its own new meaning.

The Three Types of Compound Words

Compound words can take three possible forms: closed, open, or hyphenated. In closed form, there is no space between the joined words. In open form, there is a space between the “joined” words that still act as one unit, and in hyphenated form—you guessed it! There is a hyphen between the joined words.

Image showing the forms of compound words

These general “rules”—which are somewhat fluid and flexible—provide guidance as to what format a compound word takes.

  • Closed compound words are usually nouns: They put on makeup.

  • Open compound words are usually nouns or verbs: I have to make up (verb) that exam at my high school. (noun)

  • Hyphenated compound words are usually adjectives or adverb-adjective combinations: I have to take a make-up (adjective) exam. I will be well-prepared. (adverb + adjective)

The key word in each of those examples is “usually.” Some compound words break the rules. We’ll see how soon.

1. Closed Compound Words

To review: closed compound words are usually made up of two separate words that are put together to form a new word. There is no space between the two words in a closed-form compound word; the compound appears as one single word.

Examples of Closed Compound Words

Image showing closed compound words

  • Cup + cake becomes cupcake

  • Basket + ball becomes basketball

  • Key + board becomes keyboard

  • Extra + ordinary becomes extraordinary

  • Birth + day becomes birthday

You can see through these examples that the meaning of the compound word is not just a merger of the independent definitions of the individual words that join together to make that compound.

However, there is a relationship between the individual word meanings and the compounds. Compound words have been integrated into language as speakers have discovered those relationships. It makes perfect sense to call a cake that could fit into a cup a cupcake and to call a ball thrown through a basket (now a hoop) a basketball.

The rules for compound words, listed earlier in the post, include the word usually. That word means the rules are not hard and fast, and there are examples of compound words that break those rules.

For example, compound words that are verbs are usually open form, but here are rule-breaking closed-form compound verbs that remind us to hold those rules loosely:

  • I need to proofread my essay.

  • I think the clerk shortchanged me.

  • I have to babysit my little sister.

2. Open Compound Words

In an open compound word, there is a space between the two independent words, though they are still treated as one unit with a new “compound meaning.”

Examples of Open Compound Words

Image showing open compound words

  • Living room: as a unit, this compound noun refers to a room in a house.

  • High school: as a unit, this compound noun refers to a school that has students in grades 9-12.

  • Post office: as a unit, this compound refers to a building where mail is collected, sorted, and sent.

  • Give up: as a unit, this compound verb means to stop trying.

  • Ask for: as a unit, this compound verb means to request something.

3. Hyphenated Compound Words

Hyphenated compound words have hyphens between each of the independent words that serve as connectors. The hyphens are a visual cue that the words form one unit.

Image showing hyphenated compound words

Some compound words are always hyphenated.

  • Merry-go-round

  • Mother-in-law (and brother-, sister-, and father-in-law)

  • Self-esteem

Did you notice that all of those examples are nouns? Remember: the rules are flexible!

Examples of Hyphenated Compound Adjectives:

Image showing compound word rulese

When compound words are used as adjectives (officially known as compound adjectives), the hyphenation rules change depending on where the compound adjective comes in the sentences.

If the compound adjective comes before the noun it modifies (describes), you should usually add a hyphen:

  • High-speed chase

  • Part-time employee

  • Full-time job

  • Fire-resistant pajamas

  • Good-looking person

  • Well-respected politician

  • Up-to-date records

Of course, there are exceptions. Remember, those “rules” are flexible. Some compound adjectives that precede the nouns they modify never take a hyphen. For example, ice cream and high school:

  • High school students
  • Ice cream sundae

There’s really no “why” to explain these exceptions; we’ve just adopted these forms and made them part of our language.

Examples of Open-Form Compound Adjectives

If the compound adjective comes after the noun it modifies, the hyphen is usually omitted.

  • Make sure the files are up to date. “Up to date” modifies, but comes after, the noun “files.”

  • The cat is two years old. “Two years old” modifies, but comes after, the noun “cat.”

Though post-noun modifiers don’t technically take hyphens, according to Merriam-Webster, usage trends indicate the hyphens are often included anyway, if the compounds “continue to function as unit modifiers.” So there’s that flexibility again.

ProWritingAid

What About Adverb Compounds?

It’s easy to find examples of closed, open, and hyphenated adverbs.

As for the closed-form examples, we probably don’t even register them as compound words much of the time.

  • Sometimes

  • Thereafter

  • Somewhere

Open-form adverbs occur when the adverb is the first word in the compound and ends in —ly. You should not hyphenate after an —ly adverb.

  • We made the discovery early on.

  • Her opinion is highly regarded.

  • They entered the dimly lit room.

What to Do If You’re Not Sure Which Form Is Right

While those flexible rules can help you, there may still be times when you feel confused about which compound form to use. Don’t stress too much.

According to Merriam Webster, the rules are more like patterns. You may see differences in different publications depending on editorial choice and style. For example, I looked on Amazon for a teapot. I saw mostly teapots, but also a few tea pots. Out of curiosity I put “tea pot” into a New York Times search bar, and found articles from the 1800s that included “tea-pot” in the title!

While interesting, those stylistic changes and choices shouldn’t be too surprising. Language is fluid and ever-evolving. Compound words themselves are proof of that evolution.

Keep Clarity the Focus

Image of woman talking

The purpose of hyphens in compound words is to ensure clarity. For example,

  • I bought over-the-counter medication.

  • He passed the medicine over the counter.

In the first example, I know by the hyphen that the medicine «I» bought did not require a prescription. «Over-the-counter» is one unit—one compound—describing a type of medicine.

In the second example, «over the counter» is serving another purpose and, while the words form a phrase to tell me where «he» passed the medicine, hyphens do nothing to make the purpose of the phrase clear and are therefore unnecessary.

Now look at these examples:

  • He owned a little-used car.
  • He owned a little used car.

In the first example, I know the man owns a car that has not been driven much. The car is described by the compound modifier «little-used.»

In the second example, it seems that the man owns a used car that is also small, or little. In this example, putting a comma after «little» would help to separate the two words, «little» and «used,» and show that they aren’t intended to work as a compound.

ProWritingAid Can Help

hyphenation suggestion in prowritingaid

Though you’re a compound-word expert now, if you find yourself with lingering doubts, remember that ProWritingAid is here to help. It will let you know if you’ve added an unnecessary hyphen after an -ly adverb, or if you’ve left one out of a pre-noun compound adjective. You don’t have to write alone!


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The word compound means one thing that is composed of two or more elements. When you hear the word compound, you might think of a chemical compound, compound interest, or you might just use the word as a synonym for a mixture. Compounding is also a grammatical phenomenon, and there is a lengthy list of compound words in the English language.

Compound Words Definition

Simply put, compound means one thing made of many things. The definition for compound words means just that.

Compound words: two or more words joined to create a new meaning.

Compound words are not two random words thrust together. Compound words will be two words that are frequently found together, such as late-night, nice-looking, or seafood.

Compound words are usually two base words used together. Remember, base words are standalone words that signal a particular meaning, even when stripped of affixes (example: success in successful).

That’s not to say, however, that compound words can’t use derived words. Derived words are words that are built on a root, typically with the addition of an affix (example: teach + er = teacher). Many compound words include derived words (coffee maker, sewing machine, skyscraper).

The process of compounding is different from derivation and inflection — both of which typically involve adding an affix to change a word’s grammatical category. While derivation, inflection, and compounding are all a process for creating new words, compounding uses two base words, rather than a single base word and an affix (e.g., -ing, im, or -ed).

Compounding in English Examples

Compounds help us understand words as a single unit, which in some cases helps to clarify the meaning of a word or phrase in English.

Let’s look for a vegan-friendly restaurant.

Compounding, Compounding in English examples, Vegan restaurant, StudySmarterFig. 1 — A «vegan-friendly» restaurant is different from a «vegan, friendly» restaurant.

Using a hyphen here shows the reader that the words vegan and friendly should be taken as a single unit. Otherwise, it might be read as, “Let’s look for a vegan friendly restaurant,” with vegan and friendly being two different adjectives to describe a restaurant.

When new things, ideas, or phrases come into the collective consciousness of the public, they need a name or something people can say to refer to them. Compounding words is one of the most (if not the most) common types of word formation in English because it is so easy to do.

These new words can be figurative like chairman (the head of a committee or group, not a chair-shaped man), or simply a combination of the meaning of each of the base words, like lighthouse (a house of light).

Just email me, and I’ll respond to it later.

The word email wasn’t used until the late twentieth century because email, or electronic mail, didn’t exist until then. There was a need to create a word to communicate this new idea of sending a message electronically, and e-mail —which became email, without the hyphen — was a simple option.

Types of Compound Words

There are three types of compound words: open, closed, and hyphenated.

Open Compounds

Open compound words are formed by combining an adjective with the noun it modifies to create a new noun. These compound words are usually the result of two words being so frequently used together that they eventually come to mean one specific thing.

Shopping cart

Potting soil

Real estate

Even though these words are separated with a space, they’re still considered a single unit. You can tell it’s an open compound word, rather than merely a noun modified by an adjective, because the two words are so regularly used together to mean something specific.

For example, real is not used as the modification of the word estate to express it’s real as opposed to a fake estate. Real estate is the business of buying and selling property and buildings on said property.

Closed Compounds

Closed compound words look the most like a “real word” because there is no space between the two roots.

Keyboard

Pothole

Tablecloth

Two words might form a closed compound because they are so frequently used together.

Compounding, Types of compound words, Email example, StudySmarterFig. 2 — Email is a newer word that came from two base words: electronic and mail.

In the 1990s when someone wanted to connect to the internet, they might say they were going to go on-line (cue the sounds of dial-up internet and a male voice saying, “You’ve got mail”). Today in the twenty-first century, the internet is a part of our everyday experience, and so the word has lost its hyphen and is typically shortened to online.

Hyphenated Compounds

The final type of compound words are hyphenated compounds. These are words that — just like closed and open compounds — are frequently used together. The hyphen connects these words, so they function as one unit.

A hyphen (-) is a punctuation mark that shouldn’t be confused with a dash (). A hyphen connects two words or word parts, whereas dashes indicate a pause or range. Dashes can be short (an “en dash” which is the length of the letter n) or long (an “em dash” which is the length of the letter m).

Long-term

Close-up

Empty-handed

Many hyphenated compounds become closed compounds if they’re used frequently enough.

Hyphenating Compound Words

You might wonder, “How do I know when to hyphenate a compound word?” There are many rules regarding hyphens in general, and here are the ones that are key in hyphenating compound words.

  1. Only hyphenate when the compound comes before the noun it will modify. If it comes after, don’t include a hyphen.

The man-eating bear was only a few yards away. vs. The bear was definitely a man eater.

  1. When a compound modifier contains an adverb ending in -ly and a participle or adjective, don’t use a hyphen.

A highly contested race.

Unfortunately, there is not always a consensus about whether to hyphenate compound words or create a closed compound word. If you’re ever in doubt about whether to hyphenate a compound word, consult a dictionary or the appropriate style guide for a definitive answer.

Compound Words List

Here is a longer compound words list for reference.

Open Compound Words

  • Sun room

  • Cheer up

  • Summer break

  • Garage sale

  • Dress up

  • Fire pit

  • Jumping jack

  • Science fiction

  • Vice President

  • Swimming pool

Closed Compound Words

  • Dishware

  • Bookstore

  • Seatbelt

  • Birthday

  • Carpool

  • Limelight

  • Comeback

  • Candlelit

  • Football

  • Lawsuit

Hyphenated Compound Words

  • House-of-mirrors

  • Self-contempt

  • Father-in-law

  • Well-read

  • Full-length

  • Free-fall

  • High-rise

  • Life-size

  • Deep-fried

  • Right-handed

Compounding — Key takeaways

  • Compound words are two or more words joined to create a new meaning.
  • Compound words are usually two base words used together.
  • Compounds help us understand words as a single unit, which in some cases helps to clarify the meaning of a word or phrase.
  • There are three types of compound words: open, closed, and hyphenated.
  • There is not always a consensus about whether to hyphenate compound words or create a closed compound word.

Published on
4 April 2023
by

Jack Caulfield.

compound word (sometimes just called a compound) is a series of two or more words that collectively form a single word. There are three types of compound words, which differ in terms of how they are written:

  • An open compound word is written with spaces between the words (e.g., “secondary school”).
  • A hyphenated compound word is written with hyphens between the words (e.g., “sister-in-law”).
  • A closed compound word is written with no spaces or punctuation (e.g., “cheesecake”).
Individual words Compound word
Open compound house + party house party
Hyphenated compound mind + blowing mind-blowing
Closed compound pea + nut peanut
Tip
If you’re confused about how to write a particular compound word or about whether it qualifies as a compound at all, check out our articles on commonly confused words (e.g., “everyday” vs “every day”) and on common mistakes (e.g., “now a days” vs “nowadays”).

For any words and phrases that we don’t cover, it’s best to consult a reliable dictionary like Merriam-Webster.

Table of contents

  1. Open compound words
  2. Hyphenated compound words
  3. Closed compound words
  4. List of compound words
  5. Pluralising compound nouns
  6. Compound words vs other types of words
  7. Worksheet: Compound words
  8. Other interesting articles
  9. Frequently asked questions about compound words

Open compound words

Open compound words are written with spaces between the individual words. For example, “compound word” itself is an open compound word.

Open compounds are normally fairly new terms or are used only in specialist contexts. Over time, as they become more widely used, they tend to become hyphenated or closed compounds. But this is not universal: some well-established compounds such as “secondary school” continue to be written with spaces.

Many open compound words function as nouns and are formed by combining a noun with another noun or with an adjective.

Examples: Open compound nouns
My favorite part of the theme park was the roller coasters.

Some search engines are experimenting with incorporating artificial intelligence into their services.

Phrasal verbs are also normally written as open compounds. A phrasal verb is a series of two or more words (often a verb and a preposition) that functions collectively as a verb.

Examples: Phrasal verbs
She couldn’t figure out the solution to the riddle.

Should I go ahead and log in, or should I hold off for now?

Note that normally open compounds are instead written as hyphenated or closed compounds in certain contexts. A compound noun is often hyphenated or closed when it’s used attributively (functioning as an adjective before another noun) or as a verb, and a phrasal verb is hyphenated or closed when it’s used as a noun.

Examples: Hyphenating or closing normally open compounds
It’s a commonsense solution to a complicated problem.

She’s gone to test-drive a new car.

Kenan gave me the go-ahead and forwarded my new login details.

Hyphenated compound words

Hyphenated compound words are written with hyphens connecting the words. For example, “well-being” is a hyphenated compound word.

Hyphenated compounds are typically noun phrases being used as adjectives (e.g. “long-term”) or as verbs (e.g., “strong-arm”) or verb phrases being used as nouns (e.g., “check-in”) or as adjectives (e.g., “mind-blowing”).

Compound nouns were quite commonly hyphenated in the past but mostly aren’t now (e.g., “walking-stick” and “living-room” are now usually written “walking stick” and “living room”). But some remain hyphenated, especially if they consist of three or more words (e.g., “father-in-law”).

Examples: Hyphenated compound words
My sisters-in-law are coming to stay on Saturday.

You could see what over-the-counter medication is available, or there’s a walk-in clinic down the street.

A shoplifter had a run-in with an off-duty police officer who caught him red-handed.

Tip
Since there are many compounds that are normally open but hyphenated when used in certain ways, people often struggle to understand when they should hyphenate a given term. Check out our article on hyphens for more in-depth guidance on specific hyphenation issues.

Closed compound words

Closed compound words are written without hyphens or spaces. For example, “babysitter” is a closed compound word.

Closed compounds can play a wide variety of roles, functioning as nouns (e.g., “weekend”), pronouns (e.g., “herself”), prepositions (e.g., “into”), adverbs (e.g., “however”), adjectives (e.g., “barefoot”), conjunctions (e.g., “whereas”), or verbs (e.g., “snowball”).

Closed compounds tend to be well-established words. They often start out as open compounds but close over time as they become more familiar. For example, compound indefinite pronouns used to be written as open compounds (e.g., “every one”, “some thing”), but now all except “no one” are closed.

Examples: Closed compound words
I cannot wait for the weekend. I’m going backpacking with my boyfriend!

Andrea couldn’t function without his breakfast.

Few people want to babysit a newborn child.

List of compound words

The table below provides a representative selection of compound words, categorised by whether they are open, hyphenated, or closed and by what part of speech they function as.

You can observe some patterns in the table. For instance, there are many compound nouns; compound adjectives tend to be hyphenated; and some parts of speech only form compounds in certain ways.

Note that some words appear as more than one part of speech but may be written differently depending on their function. There may also be multiple ways of writing a single compound (e.g., “login” or “log-in”). Consult a dictionary if you’re unsure.

List of compound words

Part of speech Open compounds Hyphenated compounds Closed compounds
Noun artificial intelligence, attorney general, common sense, French fries, house party, living room, roller coaster, search engine, secondary school, test drive, theme park, walking stick check-in, go-ahead, kick-off, know-it-all, man-of-war, merry-go-round, run-in, runner-up, sister-in-law, well-being backpack, boyfriend, breakfast, bypass, checkout, cheesecake, highway, login, newborn, payout, peanut, smartphone, weekend, wherewithal
Pronoun each other, no one, one another anyone, everything, nobody, oneself, themselves
Verb check in, figure out, go ahead, hold off, kick off, log in, pass by, used to strong-arm, test-drive babysit, breakfast, bypass, cannot, snowball
Adjective empty-handed, full-fledged, lightning-fast, long-term, mind-blowing, off-duty, over-the-counter, roller-coaster, run-of-the-mill, up-to-date, walk-in commonsense, everyday, heartbreaking, nearby, newborn, shamefaced, spellbinding
Adverb after all, en route, next to, with feeling lightning-fast, mind-blowingly, red-handed anymore, anyway, awhile, elsewhere, hereby, however, maybe, moreover, nevertheless, nowadays, spellbindingly
Preposition as far as, close by, such as, next to, with regard to insofar, into, throughout, upon, within
Conjunction as far as, in that whenever, whereas
Determiner another, whatever, whichever

Pluralising compound nouns

When you want to pluralise a noun that consists of multiple words, it can be difficult to know which word to pluralise. In a closed compound, it’s easy: the pluralisation always comes at the end, since it’s written as one word (e.g., “backpacks”, “houseboats”, “payouts”).

In open and hyphenated compounds, it varies; the final word is sometimes pluralised (e.g., “secondary schools”, “know-it-alls”), but sometimes an earlier word is instead (e.g., “attorneys general”, “men-of-war”). Usually, only one word is pluralised (e.g., “men-of-wars” is wrong).

To understand which word should be pluralised, look at the compound logically and consider which word “heads” the group – in other words, which one represents the thing being named?

  • Frenches fry [Frenches that are fry?]
  • French fries [Fries that are French]
  • sister-in-laws [a sister (in multiple laws)?]
  • sisters-in-law [multiple sisters (in law)]

But, admittedly, it can be hard to apply this logic in some cases (e.g., “merry-go-rounds”). If in doubt about how to pluralise a term, check a dictionary, where the correct plural form will be listed in the entry.

Compound words vs other types of words

Compound words are one way of combining multiple words into one unit, but there are other ways too. Read on to see how compound words differ from:

  • Portmanteaus
  • Contractions
  • Acronyms
  • Simple and complex words

Portmanteaus

portmanteau (also called a blend) is a word created by blending two words together. A portmanteau is different from a closed compound word because at least one of the words making it up is not used in its complete form: some letters have been removed or moved around.

For example, the portmanteau “chortle” is a combination of “chuckle” and “snort”. A part of the word “snort” has been inserted in the middle of the word “chuckle”, but neither word appears in full. As a closed compound, it might be “chucklesnort” or “snortchuckle” (not real words).

Examples: Portmanteaus
Smog [smoke + fog] is a persistent danger in heavily industrialised environments.

The concept of the multiverse [multiple + universe] describes the collection of all the possible universes in existence.

Jazzercise [jazz + exercise] is a form of aerobic exercise based on jazz dancing.

Contractions

Contractions are shortenings of existing words where the omitted letters are usually (not always) marked by an apostrophe. Sometimes, a contraction is a single word with some letters omitted (e.g., “talkin’”), but most commonly, it’s two or more words combined (e.g., “don’t”, “it’s”, “wanna”).

Combining contractions like this differ from compound words, again, because they don’t include the full words they are formed from: some letters are replaced with apostrophes and not pronounced.

Another difference is that contractions, especially less common ones like “wouldn’t’ve”, are generally avoided in formal contexts like academic writing, whereas there’s no problem with using compound words in such contexts.

Examples: Contractions
C’mon, let’s go! We’ve gotta hurry.

It’s hard for me to see why you don’t like the plan if you won’t explain your objections to it.

Acronyms

An acronym is another way of shortening a series of words into one unit, in this case by reducing each word to its first letter (e.g., “NATO”: “North Atlantic Treaty Organization”) or occasionally its first syllable (e.g., “Benelux”: “Belgium, Netherlands, Luxembourg”).

Some acronyms are pronounced as full words (e.g. “NATO” is [nay-toe]), while others, often called initialisms, are pronounced as individual letters (e.g., “BBC” is [bee-bee-see]).

Again, they differ from compound words because they don’t include the full words that are being combined. Acronyms are fine to use in academic writing, as long as you define them on first use.

Examples: Contractions
The WHO [World Health Organization] named the new disease “COVID-19” (short for “coronavirus disease 2019”).

Simple and complex words

Simple words are words that cannot be broken down into smaller meaningful pieces. For example, “run” is a simple word – you could break it down into “ru” and “n”, but it’s clear that these don’t have any meaning on their own.

Complex words are composed of parts that each contribute some meaning to the whole. For example, “runner” consists of “run” (the verb it’s derived from, describing the action in question) and “-er” (a suffix used to indicate a person who does the action).

These individual units of sense are called morphemes: a simple word consists of just one morpheme, while a complex word consists of a main morpheme (called the root; “run” in our example) plus at least one other morpheme.

A compound word differs from a complex word because it’s made up of complete words that could also stand alone. In “runner”, it’s clear that while “run” is a word in its own right, “-er” is not. In contrast, the compound “runner-up” consists of two independent words, “runner” and “up”.

Note
Even words where the prefix is written with a hyphen (e.g., “pre-approve”, “anti-glare”) are normally considered to be complex words rather than compound words, because the prefixes (“pre”, “anti”) cannot stand alone as words in their own right.

Worksheet: Compound words

Want to test your understanding of compound words? Check out the worksheet below. Try to find and highlight all the compound words in each sentence.

  1. My mother-in-law remembers watching the moon landing on television in her teenage years.
  2. We ate ice cream after the football game at the local secondary school.
  3. A high-profile case is being considered at the courthouse.
  4. A cat burglar has outpaced the night watchman and stolen the crown jewels!
  5. After he was knocked out, it was several minutes before the prizefighter came to.
  1. My mother-in-law remembers watching the moon landing on television in her teenage years.
    • This sentence contains all three kinds of compounds. “Mother-in-law” is a hyphenated compound noun. “Moon landing” is an open compound noun. And “teenage” (“teen” + “age”) is a closed compound adjective.
  1. We ate ice cream after the football game at the local secondary school.
    • This sentence contains three open compounds, all of them nouns: “ice cream”, “football game”, and “secondary school”. Additionally, “football” is itself a closed compound formed with “foot” and “ball”.
  1. A high-profile case is being considered at the courthouse.
    • This sentence contains two compound words: the hyphenated compound adjective “high-profile” and the closed compound noun “courthouse” (“court” + “house”).
  1. A cat burglar has outpaced the night watchman and stolen the crown jewels!
    • This sentence contains three open compound nouns – “cat burglar”, “night watchman”, and “crown jewels” – and the closed compound verb “outpaced”. Moreover, “watchman” is itself a closed compound of “watch” and “man”.
  1. After he was knocked out, it was several minutes for the prizefighter to come to.
    • This sentence contains the open compound verbs (aka phrasal verbs) “knocked out” and “come to” and the closed compound noun “prizefighter” (“prize” + “fighter”).

Other interesting articles

If you want to know more about nouns, pronouns, verbs, and other parts of speech, make sure to check out some of our other language articles with explanations and examples.

Verbs

  • Verb tenses
  • Phrasal verbs
  • Sentence structure
  • Active vs passive voice
  • Subject-verb agreement

Other

  • Articles
  • Interjections
  • Adjectives
  • Determiners
  • Prepositions

Frequently asked questions about compound words


Is “because” a compound word?

Yes, the conjunction because is a compound word, but one with a long history. It originates in Middle English from the preposition “bi” (“by”) and the noun “cause”. Over time, the open compound “bi cause” became the closed compound “because”, which we use today.

Though it’s spelled this way now, the verb “be” is not one of the words that makes up “because”.


Is “today” a compound word?

Yes, today is a compound word, but a very old one. It wasn’t originally formed from the preposition “to” and the noun “day”; rather, it originates from their Old English equivalents, “tō” and “dæġe”.

In the past, it was sometimes written as a hyphenated compound: “to-day”. But the hyphen is no longer included; it’s always “today” now (“to day” is also wrong).

Sources for this article

We strongly encourage students to use sources in their work. You can cite our article (APA Style) or take a deep dive into the articles below.

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Caulfield, J.
(2023, April 04). Compound Words | Types, List & Definition. Scribbr.
Retrieved 12 April 2023,
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Sources

Aarts, B. (2011). Oxford modern English grammar. Oxford University Press.

Butterfield, J. (Ed.). (2015). Fowler’s dictionary of modern English usage (4th ed.). Oxford University Press.

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Garner, B. A. (2022). Garner’s modern English usage (5th ed.). Oxford University Press.

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There are various classes of words in the English Language ranging from nouns to prepositions. All these have been discussed in the post, Parts of Speech. However, some words are regarded as compound words. This post gives 1000 Compound Words Examples out of the several thousands of examples of compound words in English.

There is no end to how many compound words there are in English; but with these 1000 Compound Words Examples in English, though not exhaustive, you can research further on other compound words not captured here or, probably, generate your own.

Before I list the 1000 Compounds Word Examples in English, it would be great to describe compound words. The question then comes: what is a compound word? Let us proffer an answer to this important question…

What is a Compound Word?

Compound words in English are usually formed when we join two or more words together. In other, words, a compound word is the combination of two or more free morphemes to form a new word.

Compounding: A Word Formation Process

This takes us to the concept of Compounding, which is one of the word formation processes in English. Compounding takes place when two or more free morphemes that can stand severally on their own are brought together to create a new word. It could happen that the meaning of a compound word could be related to or different from the meaning or connotation it its constituent parts when considered severally.

Types of Compound Words

There are three types of compound words and these include: closed compound words, hyphenated compound words and open compound words. See more…

Closed Compound Words

In the closed compound words, the words involved are combined together. Closed compound words, most likely, are usually monosyllabic units already established in the language for a long time. Examples include: flowerpot, keyboard, notebook, bookstore, basketball, etc.

Hyphenated Compound Words

For the hyphenated compound words, a hyphen is used to join the words involved; for example: mother-in-law, merry-go-round, off-the-cuff, etc. The use of a hyphen in this instance helps to prevent ambiguity.

Open Compound Words

In the open compound words, there is a space between the compound words that are written together such as school bus, living room, carbon dioxide, snow white, blood red, etc.

What Determines Types of Compound Words

What determines if a compound word is classified as closed, hyphenated or open could depends on whether we use it as a noun, adjective or verb.

Verbs are usually open. For example:

  • You must always back up the files on your computer.
  • It is not good for students to carry over their courses
  • Police usually follow up on a new lead.

Adjectives and nouns are usually closed or hyphenated. For instance:

  1. You can access backup copies of your files in case of any eventuality.
  2. The students had many carryovers in their courses.
  3. The police had already worked on the follow-up lead.

Adjective–adjective compounds, as well as, verb–verb compounds, such as blue-green and freeze-dried, are often hyphenated. Compounds that contain articles, prepositions or conjunctions, such as rent-a-cop, mother-of-pearl and salt-and-pepper, salt-and-sugar, hard-and-fast, etc. are also often hyphenated.

Longer words usually fall under the category of open compound words such as distance learning, player piano, lawn tennis, etc.

It is important to note that usage or forms of compound words in American English and British English Usage varies and is usually contingent on the individual choice of the writer rather than on a hard-and-fast rule; therefore, it is possible to encounter closed, hyphenated, and open forms for the same compound noun, such as the trio of:

  • Container ship, container-ship or containership
  • Particle board, particle-board or Particleboard.

Classifications of Compound Words

The constituent words in a compound word can be classified based on their Word Classes or Parts of Speech. We can call this type of classification a Syntactic Classification. The constituent words may be from similar Part of Speech or may be of different parts of speech. Let us see some examples:

Noun-Noun

This is an instance where both constituent words in the compound words are nouns. Examples include: airport, wallpaper, textbook, doorknob, waterbed, wastebasket, football, cufflinks, housewife, lawsuit, wallpaper, basketball, sodium chloride, classroom, workstation, tapeworm, crankshaft, etc.

Noun-Verb

The noun-verb compound word has a noun as the first constituent and a verb as the second constituent. For example: browbeat, sidestep, manhandle, safeguard, water borne, value-added, rocket-propelled, sunbathe, airlift, etc.

Noun-Adjective

The noun-adjective combination has a noun as the first constituent and an adjective as the second constituent. Examples include: snow white, world population, overcoat, trustworthy, blood red, handpicked, world famous, heartbroken, heart problem, prize worthy, lead strong, worldwide, lifelong, tax-free, sky blue, self-important, spoon-fed, praiseworthy, water-repellant, air-tight, bulletproof, etc.

Adjective-Noun

This is an instance where the first constituent word in the compound word is an adjective and the other one a noun. Examples include: blackboard, smartphone, whiteboard, badmouth, blue sky, red light, four wheel, full-time, long-term, etc.

Adjective-Verb

This instance is when the first constituent is an adjective while the second word in the compound word is a verb. Examples of this instance include: whitewash, blacklist, highlight, proofread, shortlist, etc.

Verb-Verb

In this instance, both constituents of the compound words are verbs. Examples include: typewrite, test-drive, freeze-dry, etc.

Verb-Noun

This is an instance where the first constituent word in the compound word is a verb and the other one a noun. Examples include: dreadnought, typewriter, breakfast, cutthroat, pickpocket, killjoy, spoilsport, know-nothing, breakwater, carrycot, etc.

Verb-Preposition

In this instance, we have a combination of a verb and a preposition forming the compound word respectively. Examples of this instance include: Roll off, roll on, stick on, walk on, stand by, walk through, see through, lay by, cut through, lookout, Work on, take down, take away, tear up, etc. Some of these examples also pass for Phrasal Verbs. You can take a look at the over 500 Phrasal Verbs discussed here.

Preposition-Noun

In this combination of compound words, we have a preposition coming first and followed by a noun. Examples of this combination include: overview, downsize, upgrade, underworld, oversight, undergraduate under-development, etc.

Preposition Noun (Phrase) Combinations

Examples of Preposition-Noun Phrase include: Off-the-record, over-the-counter, off-the-cuff, round-the-block, off-the-deep-end, off the hook, off the wall, off-your-head, off-your-own-bat, off-your-rocker, round-the-twist, round-the-corner, etc.

Preposition-Verb

This combination comprises a preposition and a verbs in the first and second constituents respectively. Examples include: overhang, counterattack, undercut, overpay, counterbalance, overrate, underlie, outrun, outvote, overreact, oversleep, overwork, undersell, undervalue, etc.

Other Combinations

There are other possible combinations like:

  • Adjective-adjective (blue-green)
  • Adverb-preposition (forthwith)
  • Verb-adverb (tumbledown)
  • Preposition-adjective (overripe, off-white)
  • Verb-adverb (takeout)
  • Preposition-adverb (without)
  • Compound Adverbs (moreover, however, nonetheless, furthermore, meanwhile)
  • Determiner-Noun Combinations or wh-forms (anyhow, somewhere, nowhere, sometimes, anytime)

You can attempt to fit the 1000 examples of compound words provided below into their appropriate combinations. I’m sure that should not be difficult for you to do.

It is also important to note that compound words in English, save for exceptions, are usually stressed on their first words.

1000 Compound Words Examples

It is really impossible to give an exhaustive list of all the compound words in English; especially, those that fall under the open class segment as there is no end to compound words that could be therein generated. But the list below contains 1000 Compound Words Examples in English. For emphasis, there are thousands of other examples. So, the list is not limited to what is provided below. Take a look…

1000 Compound Words Examples (A-D)

  • Above-board
  • Afterglow
  • Afterimage
  • Afterlife
  • Afternoon
  • Airbag
  • Airbase
  • Airborne
  • Aircraft
  • Airfield
  • Airlift
  • Airline
  • Airmen
  • Airplane
  • Airport
  • Airtight
  • Airtime
  • All-over
  • Allspice
  • Alongside
  • Anybody
  • Anyhow
  • Anymore
  • Anyone
  • Anyplace
  • Anytime
  • Anyway
  • Arm-twist
  • Ashtray
  • Baby bed
  • Baby boom
  • Baby boomers
  • Baby carriage
  • Baby-faced
  • Babyhood
  • Babyminder
  • Babysit
  • Babysitter
  • Backache
  • Backbeat
  • Backbench
  • Backbenchers
  • Backbend
  • Backbite
  • Backblast
  • Backbone
  • Backbreaker
  • Backdrop
  • Backfire
  • Background
  • Backhand
  • Backlash
  • Backlog
  • Backpack
  • Backside
  • Backslap
  • Backslide
  • Backspace
  • Backspin
  • Backstage
  • Backstroke
  • Backtrack
  • Backward
  • Ballpark
  • Ballroom
  • Bandwagon
  • Bankbook
  • Bankroll
  • Baseball
  • Basketball
  • Beachcomb
  • Bedclothes
  • Bed lamp
  • Bedrock
  • Bedroll
  • Bedroom
  • bedspread
  • Bellbottom
  • Bellboy
  • Bellhop
  • Below
  • Berrylike
  • Billboard
  • Billhook
  • Bitterroot
  • Bittersweet
  • Bitterweed
  • Bitterwood
  • Blackball
  • Blackberries
  • Blackbird
  • Blackboard
  • Blackjack
  • Blacklist
  • Blackmail
  • Blackout
  • Blackpool
  • Blacksmith
  • Blacktop
  • Blowgun
  • Bluebell
  • Blueberry
  • Bluebird
  • Bluefish
  • Bluegrass
  • Blueprint
  • Boardwalk
  • Body bag
  • Body-boarding
  • Body blow
  • Bodybuilder
  • Body hair
  • Bodywork
  • Bodyguard
  • Bodywork
  • Boldface
  • Bookcase
  • Bookend
  • Bookkeeper
  • Bookmark
  • Bookmobile
  • Bookseller
  • Bookshelf
  • Bookstore
  • Bookworm
  • Bootstrap
  • Bowlegs
  • Bowtie
  • Brainchild
  • Brainwash
  • Brotherhood
  • Brow beat
  • Bugspray
  • Butterball
  • Buttercup
  • Butterfingers
  • Butterflies
  • Buttermilk
  • Butternut
  • Butterscotch
  • Bypass
  • Cabdriver
  • Candlelight
  • Candlestick
  • Candyfloss
  • Candytuft
  • Cardboard
  • Cardsharp
  • Cardstock
  • Carefree
  • Caretaker
  • Careworn
  • Carfare
  • Cargo
  • Carhop
  • Carload
  • Carpetbagger
  • Carpool
  • Carport
  • Carrack
  • Carryall
  • Carsick
  • Cartwheel
  • Catchword
  • Cattail
  • Catwalk
  • Caveman
  • Centercut
  • Cheeseburger
  • Cheesecake
  • Classmates
  • Classroom
  • Clockwise
  • cocksure
  • Coffeemaker
  • Comeback
  • Comedown
  • Commonplace
  • Commonwealth
  • Cornmeal
  • Counterattack
  • Counterproductive
  • Courthouse
  • Courtyard
  • Crewcut
  • Crossbow
  • Crossbreed
  • Crosscut
  • Crossover
  • Crosswalk
  • Dairymaid
  • Daisywheel
  • Daybed
  • Daybook
  • Daybreak
  • Daydream
  • Daylight
  • Daytime
  • Deadbeat
  • Dead body
  • Deadbolt
  • Dead drop
  • Dead-end
  • Deadeye
  • Deadfall
  • Dead heat
  • Dead letter
  • Deadlight
  • Deadline
  • Dead load
  • Deadlock
  • Deadlocked
  • Dead mail
  • Dead march
  • Dead metaphor
  • Dickhead
  • Dick test
  • Dishcloth
  • Dishpan
  • Dishwasher
  • Dishwater
  • Diskdrive
  • Dog-tired
  • Dogwood
  • Doorstop
  • Double agent
  • Double-barrelled
  • Double-bedded
  • Double bond
  • Doublecross

1000 Compound Words Examples (D-N)

  • Double-date
  • Double-decker
  • Downbeat
  • Downcast
  • Downcourt
  • Downtime
  • Downtown
  • Downtrodden
  • Downunder
  • Drawbridge
  • Driveway
  • Duckbill
  • Duckpin
  • Duckweed
  • Earache
  • Eardrop
  • Eardrum
  • Earring
  • Earthbound
  • Earthquake
  • Earthward
  • Earthworm
  • Egghead
  • Eggshell
  • Elsewhere
  • Everything
  • Extraordinary
  • Eyeballs
  • Eyebath
  • Eyebeam
  • Eye-catching
  • Eyeglasses
  • Eyelash
  • Eyelid
  • Eyesight
  • Eyewitness
  • Fatherhood
  • Fatherland
  • Firearm
  • Fireball
  • Fireboat
  • Firebomb
  • Firebreak
  • Firecracker
  • Firefighter
  • Fireflies
  • Firehouse
  • Fireproof
  • Firewater
  • Fishbowl
  • Fisherman
  • Fisheye
  • Fishhook
  • Fishlike
  • Fishmonger
  • Fishnet
  • Fishpond
  • Fishtail
  • Football
  • Foothill
  • Footlights
  • Footlocker
  • Footnote
  • Footprint
  • Footprints
  • Footrest
  • Footwear
  • Forbearer
  • Forbid
  • Forebode
  • Forearm
  • Forebear
  • Forebrain
  • Forecast
  • Forecastle
  • Foreclose
  • Foreclosure
  • Foredoom
  • Forefather
  • Forefeet
  • Forefinger
  • Forefoot
  • Forego
  • Foregone
  • Foreground
  • Forehand
  • Forehead
  • Foreknowledge
  • Foreleg
  • Foreman
  • Foremost
  • Forepaws
  • Foresee
  • Foreshadow
  • Foresight
  • Forestall
  • Forethought
  • Foretell
  • Foretold
  • Forever
  • Forewarn
  • Foreword
  • Forget
  • Forgive
  • Forklift
  • Format
  • Fortnight
  • Friendship
  • Fruitcup
  • Gearshift
  • Glassmaking
  • Goodbye
  • Goodnight
  • Grandaunt
  • Grandchild
  • Grandchildren
  • Granddaughter
  • Grandfather
  • Grandmaster
  • Grandmother
  • Grandnephew
  • Grandnieces
  • Grandparent
  • Grandson
  • Grandstand
  • Granduncle
  • Grasshopper
  • Grassland
  • Graveyard
  • Gumball
  • Haircut
  • Hamburger
  • Hammerhead
  • Handbook
  • Handcuff
  • Handgun
  • Handmade
  • Handout
  • Headache
  • Headdress
  • Headlight
  • Headline
  • Headquarters
  • Heaven-sent
  • Heavenward
  • Helpdesk
  • Helpline
  • Helpmate
  • Hereafter
  • Hereby
  • Herein
  • Hereupon
  • Herself
  • Highball
  • Highchair
  • Highland
  • Highway
  • Himself
  • Homemade
  • Hometown
  • Honeybee
  • Honeybees
  • Honeycomb
  • Honeycreeper
  • Honeydew
  • Honeymoon
  • Honeypot
  • Honeysuckle
  • Hookup
  • Hookworm
  • Horseback
  • Horsefly
  • Horsehair
  • Horseman
  • Horseplay
  • Horsepower
  • Horseradish
  • hotbed
  • hothead
  • Houseboat
  • Household
  • Housekeeper
  • Housetop
  • Housework
  • However
  • Intake
  • Interstate
  • Ironwork
  • Itself
  • Jackpot
  • Jailbait
  • Jellybean
  • Jellyfish
  • Jetliner
  • Jetport
  • Jumpshot
  • Jumpstart
  • Keyboard
  • Keyhole
  • Keynote
  • Keypad
  • Keypunch
  • Keystone
  • Keystroke
  • Keyway
  • Keyword
  • Lacklustre
  • Lifeblood
  • Lifeboat
  • Lifebuoy
  • Lifeguard
  • Lifejacket
  • Lifelike
  • Lifeline
  • Lifelong
  • Lifesaver
  • Lifestyle
  • Lily-livered
  • Lifetime
  • Lifework
  • Limelight
  • Limestone
  • Longhand
  • Longhouse
  • Lukewarm
  • Mainland
  • Mainline
  • Matchbox
  • Meantime
  • Meanwhile
  • Moneybag
  • Moneylender
  • Moonbeam
  • Moonflower
  • Moonlight
  • Moonlit
  • Moonscape
  • Moonshine
  • Moonstruck
  • Moonwalk
  • Moorfields
  • Moorfowl
  • Moorland
  • Mopboard
  • Moreover
  • Mothball
  • Motherhood
  • Motorcycle
  • Nearby

1000 Compound Words Examples (N-S)

  • Nevermore
  • Newborn
  • Newfound
  • Newsboy
  • Newsbreak
  • Newscaster
  • Newsdealer
  • Newsletter
  • Newsman
  • Newspaper
  • Newsperson
  • Newsprint
  • Newsreel
  • Newsroom
  • Newsstand
  • Newsworthy
  • Nightfall
  • Noisemaker
  • Northeast
  • Notebook
  • Noteworthy
  • Nowhere
  • Nursemaid
  • Nutcracker
  • Offbeat
  • Off-record
  • Oilbird
  • Oilcan
  • Oilcloth
  • Oilfield
  • Oilman
  • Oil-rich
  • Oneself
  • Onetime
  • Outbalance
  • Outbid
  • Outboard
  • Outdoor
  • Outflank
  • Outflow
  • Outlive
  • Outnumber
  • Overabundance
  • Overboard
  • Overcoat
  • Overflow
  • Overland
  • Overshoes
  • Overview
  • Pacemaker
  • Pancake
  • Passbook
  • Passkey
  • Passover
  • Paycheck
  • Peppermint
  • Pickup
  • Pinhole
  • Pinstripe
  • Pinup
  • Pinwheel
  • Pipe-borne
  • Play-actor
  • Playback
  • Playbill
  • Playbook
  • Playboy
  • Play day
  • Play dough
  • Playground
  • Playhouse
  • Playthings
  • Ponytail
  • Popcorn
  • Postcard
  • Poverty grass
  • Poverty level
  • Poverty line
  • Poverty trap
  • Poverty-stricken
  • Priesthood
  • Punchbag
  • Punchboard
  • Punchbowl
  • Racquetball
  • Railroad
  • Railway
  • Rainbow
  • Raincheck
  • Raincoat
  • Raindrop
  • Rainstorm
  • Rainwater
  • Rattlesnake
  • Rattletrap
  • Repairman
  • Riverbanks
  • Rollerblade
  • Rollercoaster
  • Roller-skating
  • Rubberband
  • Sailboat
  • Salesclerk
  • Sand dune
  • Sandlot
  • Sandstone
  • Saucepan
  • Scapegoat
  • Scarecrow
  • Schoolbook
  • Schoolboy
  • Schoolbus
  • Schoolhouse
  • Schoolwork
  • Seaport
  • Seashore
  • Setback
  • Shadyside
  • Sharecropper
  • Sharpshooter
  • Sheepskin
  • Shipbottom
  • Shoelace
  • Shoemaker
  • Shortbread
  • Showoff
  • Showplace
  • Sideburns
  • Sidekick
  • Sideline
  • Sideshow
  • Sidestep
  • Sidetrack
  • Sidewalk
  • Silver age
  • Silver ash
  • Silver beech
  • Silver bell
  • Silver berry
  • Silver-blue
  • Silver-bodied
  • Silver bromide
  • Silver-bush
  • Silver cord
  • Silver dollar
  • Silver fern
  • Silver fir
  • Silverfish
  • Silver grass
  • Silver-gray
  • Silver-green
  • Silver-haired
  • Silversmith
  • Sisterhood
  • Sixfold
  • Skateboard
  • Skintight
  • Skylark
  • Skylight
  • Skyscraper
  • Slapstick
  • Slowdown
  • Slumlord
  • Smartphone
  • Snakeskin
  • Snowball
  • Snowbank
  • Snowbird
  • Snowboard
  • Snowdrift
  • Snowfall
  • Snowflakes
  • Snowshovel
  • Softball
  • Software
  • Somebody
  • Someday
  • Somehow
  • Someone
  • Someplace
  • Something
  • Sometimes
  • Somewhat
  • Somewhere
  • Soulmate
  • Soundproof
  • Southeast
  • Southwest
  • Soybean
  • Spacewalk
  • Spearmint
  • Spillway
  • Spokesperson
  • Stagehand
  • Stage-manage
  • Standby
  • Standoff
  • Standout
  • Standpipe
  • Standpoint
  • Starfish
  • Steamboat
  • Steamship
  • Stepson
  • Stockroom
  • Stonewall
  • Stoplight
  • Stopwatch
  • Storerooms
  • Stronghold
  • Subway
  • Sunbaked
  • Sunbathe
  • Sunbeams
  • Sunbelt
  • Sunberry
  • Sunblock
  • Sunburn
  • Sunday
  • Sundial
  • Sundown
  • Sunfish
  • Sunflower
  • Sunglasses
  • Sunlit
  • Sunrays
  • Sunroof
  • Sunup
  • Supercargo
  • Supercharge

1000 Compound Words Examples (S-W)

  • Supercool
  • Superego
  • Superfine
  • Supergiant
  • Superhero
  • Superhighways
  • Superhuman
  • Superimpose
  • Superman
  • Supermarket
  • Supermen
  • Supernatural
  • Superpower
  • Superscript
  • Supersensitive
  • Supersonic
  • Superstar
  • Superstrong
  • Superstructure
  • Supertanker
  • Superweapon
  • Superwoman
  • Sweetheart
  • Sweetmeat
  • Swift-footed
  • Swordfish
  • Tablecloth
  • Tablespoon
  • Tabletop
  • Tableware
  • Tadpole
  • Tagalong
  • Tailbone
  • Tailcoat
  • Tailgate
  • Taillight
  • Taillike
  • Tailpiece
  • Tailspin
  • Takeoff
  • Takeout
  • Takeover
  • Talebearer
  • Taleteller
  • Tapeworm
  • Taproom
  • Taproot
  • Taskmaster
  • Taxicab
  • Taxpayer
  • Teacup
  • Teammate
  • Teamwork
  • Teapot
  • Teaspoon
  • Teenager
  • Telltale
  • Tenderfoot
  • Tenfold
  • Textbook
  • Themselves
  • Therefore
  • Throwaway
  • Throwback
  • Thunderbird
  • Thunderbolt
  • Thunderclap
  • Thundercloud
  • Thunderflash
  • Thunderhead
  • Thundershower
  • Thunderstorm
  • Thunderstruck
  • Timekeeper
  • Timepieces
  • Timesaver
  • Timesaving
  • Timeshare
  • Timetable
  • Tonguefish
  • Tongue-lash
  • Toolbox
  • Toothpaste
  • Toothpick
  • Touchdown
  • Township
  • Turnabout
  • Turnaround
  • Turnbuckle
  • Turncoat
  • Turndown
  • Turnkey
  • Turnoff
  • Turntable
  • Typewrite
  • Typewriter
  • Underachieve
  • Underact
  • Underage
  • Underarm
  • Underbelly
  • Underbid
  • Undercharge
  • Underclothes
  • Undercover
  • Undercurrent
  • Undercut
  • Underdevelop
  • Underdog
  • Underestimate
  • Underexpose
  • Underfoot
  • Underground
  • Upbeat
  • Upbringing
  • Upcoming
  • Upcourt
  • Update
  • Upend
  • Upgrade
  • Upheaval
  • Upheld
  • Uphill
  • Uphold
  • Upkeep
  • Upland
  • Uplift
  • Uplink
  • Upload
  • Upmarket
  • Uppercase
  • Upperclassman
  • Uppercut
  • Uppermost
  • Upright
  • Uprising
  • Uproar
  • Uproot
  • Upscale
  • Upset
  • Upshot
  • Upside
  • Upstage
  • Upstairs
  • Upstanding
  • Upstart
  • Upstate
  • Upstream
  • Upstroke
  • Uptake
  • Upthrust
  • Uptight
  • Uptime
  • Uptown
  • Upturn
  • Upward
  • Upwind
  • Vainglory
  • Viewpoint
  • Vineyard
  • Violin cello
  • Volleyball
  • Voltmeter
  • Vouchsafe
  • Waistline
  • Walkways
  • Walleyed
  • Wallpaper
  • Wardroom
  • Warehouse
  • War advocacy
  • War baby
  • War bride
  • War chest
  • War cloud
  • War correspondent
  • War crime
  • War criminal
  • War cry
  • Warfare
  • Warlike
  • Warmonger
  • Warmblooded
  • Warpath
  • Washboard
  • Washbowl
  • Washcloth
  • Washhouse
  • Washout
  • Washrag
  • Washroom
  • Washstand
  • Washtub
  • Wastebag
  • Wastebasket
  • Wastebin
  • Wasteland
  • Wastepaper
  • Wastewater
  • Watchband
  • Watchdog
  • Watchmaker
  • Watchman
  • Watchtower
  • Watchword
  • Waterbed
  • Water beetle
  • Water birch
  • Waterbird
  • Water biscuit
  • Waterboarding
  • Water boatman
  • Waterborne
  • Waterbottle
  • Water boy
  • Water buck
  • Water buffalo
  • Water bug
  • Watercolour
  • Watercooler
  • Watercourse
  • Watercraft
  • Waterfall
  • Waterfowl
  • Waterfront
  • Waterline
  • Waterlog

1000 Compound Words Examples (W-Z)

  • Watermark
  • Watermelon
  • Waterpower
  • Waterproof
  • Waterscape
  • Watershed
  • Waterside
  • Waterspout
  • Watertight
  • Waterway
  • Waterwheel
  • Waterworks
  • Wavelength
  • Wavelike
  • Waxwork
  • Waybill
  • Wayfarer
  • Waylaid
  • Wayside
  • Wayward
  • Weathercock
  • Weatherman
  • Weatherproof
  • Weekday
  • Weekend
  • Weeknight
  • Wetland
  • Whatever
  • Whatsoever
  • Wheelbarrow
  • Wheelbase
  • Wheelchair
  • Wheelhouse
  • Wheelhouse
  • Whereabouts
  • Whipcord
  • Whip hand
  • Whiplash
  • Whiplike
  • Whipsaw
  • Whip snake
  • Whipstitch
  • Whipstock
  • Whiptail
  • Whip through
  • Whip top
  • Whiteboard
  • Whitecap
  • Whitefish
  • Whitehall
  • Whitehead
  • Whitewall
  • Whitewash
  • Widespread
  • Wipeout
  • Wisplike
  • Without
  • Wood ant
  • Woodblock
  • Woodborer
  • Wood-burning
  • Woodcarver
  • Woodcarving
  • Woodchip
  • Wood coal
  • Woodcock
  • Woodcraft
  • Wood-creeper
  • Woodcutter
  • Wood duck
  • Woodshop
  • Yachtsman
  • Yachtsman
  • Yachtsmen
  • Yachtsmen
  • Yard bird
  • Yard birds
  • Yard land
  • Yard lands
  • Yard wand
  • Yard wands
  • Yard work
  • Yard works
  • Yardarms
  • Yardman
  • Yardmaster
  • Yardmasters
  • Yardstick
  • Yardsticks
  • Yearbook
  • Yearbooks
  • Yearlong
  • Yellow fin
  • Yellow fins
  • Yellow ware
  • Yellow wares
  • Yellowhammer
  • Yellowhammers
  • Yellowlegs
  • Yellowtail
  • Yellowtails
  • Yellowthroat
  • Yellowthroats
  • Yellowwood
  • Yellowwoods
  • Yokefellow
  • Yokefellows
  • Yokemate
  • Yokemates
  • Youngberries
  • Youngberry
  • Youth quake
  • Zoo technical
  • Zoogeographer
  • Zoogeographers
  • Zoogeographies
  • Zoogeography
  • Zookeeper
  • Zoosperms
  • Zootechnics

Closing Words and Related Posts

It is possible that some of these 1000 Compound Words Examples could be written differently in other instances where they appear; but remember that this also depends on the choice of the writer to select any of the three types of compound words that we have. However, there are some of these compound words that have to be written based on acceptable convention. You can check out other related posts as listed below:

9 Types of Nouns with Examples

10 Examples of Complex Sentences

100 Examples of Synonym Words

100 Examples of Compound Sentences in English

25 Examples of Complex Sentences

50 Examples of Simple Sentences

Have you ever wondered how you would construct a sentence if there were no words? Luckily, for us, we have languages that have a wide range of vocabulary. Among the languages of the world, the English language is one that has a good vocabulary range. In addition to the words in English, there are also words borrowed from other languages called loan words, and words that are formed by combining two different words to form compound words. In this article, you will be introduced to compound words, what they are, their meaning, definition, how to form compound words and how they can be used. Also, take a look at the examples given and the list of compound words to understand how they can be formed.

Table of Contents

  • What Is a Compound Word? – Meaning and Definition
  • Types of Compound Words
    • Open Compound Words
    • Closed Compound Words
    • Hyphenated Compound Words
  • Points to Remember When Forming Compound Words
  • Formation of Compound Words
  • Examples of Compound Words
    • List of Commonly-Used Compound Words in English
  • Test Your Understanding of Compound Words
  • Frequently Asked Questions on Compound Words in English

What Is a Compound Word? – Meaning and Definition

A compound word, as the name suggests, is a combination of two or more root words. They are combined to form words which mean something different from what the individual words mean.

A compound word, according to the Oxford Learner’s Dictionary, is defined as “a noun, an adjective or a verb made of two or more words or parts of words, written as one or more words, or joined by a hyphen.” The Cambridge Dictionary defines a compound word as “two or more words linked together to produce a word with a new meaning.” A compound word is defined as “is one that is made up of two or more words”, according to the Collins Dictionary.

Types of Compound Words

Compound words can be formed in three different ways. They are:

  • Open compound words
  • Closed compound words
  • Hyphenated compound words

Let us look at how each of these types of compound words are formed.

Open Compound Words

Open compound words are those that are formed by combining two or more words which can be written as separate words and still be used together as a compound word. Open compound words are mostly formed by combining an adjective and a noun to form a compound noun.

For example:

  • First aid
  • Post office
  • Living room
  • High school
  • Ice cream

Closed Compound Words

Closed compound words are those that are formed by combining two words but do not contain any space between them, unlike open compound words.

For example:

  • Bedroom
  • Keyhole
  • Football
  • Backspace
  • Armchair

Hyphenated Compound Words

Hyphenated compound words, as the name suggests are words formed by combining two or more words with a hyphen placed between them. Hyphenated compound words mostly function as compound adjectives.

For example:

  • In-depth
  • Snow-clad
  • One-footed
  • Sun-dried
  • Day-to-day

Points to Remember When Forming Compound Words

Have you tried merging two or more words that mean completely different things? If you do, you will find out that some interesting combinations work, mean something different from what their individual meanings are and make your language a lot more interesting and colourful. Now, there is something you should know. You cannot just combine any two words together to form a word. Make sure you make proper compound words and use them appropriately. Here are a few points you will have to bear in mind when forming and using compound words.

  • Compound words can be said to be permanent compounds or temporary compounds. Permanent compound words are those that are already a part of the language; whereas, a temporary compound word is one that is formed to suit the writer’s or speaker’s requirement. For example, words like first aid, grandmother, lawsuit, blackboard, etc. are permanent compound words which already exist in the English language and words like red-headed, left-handed, bright-eyed, etc. are the kind of words that can be created to suit the requirement of the language user.
  • To help you a little, here is something you can remember. In most cases, compound nouns are written as a closed compound word, a compound verb is written as an open compound word and a compound adjective is written as a hyphenated compound word. However, this is not a rule and is not always the case.
  • As far as hyphenated compound words are concerned, they are hyphenated only if they are placed before the noun it modifies.

Formation of Compound Words

Compound words, as discussed earlier, are formed by combining two words, especially two parts of speech. Let us look at some combinations of parts of speech that form compound words.

Noun + Noun

Here is a list of compound words formed by combining two nouns.

  • Bedroom
  • Music band
  • Water tank
  • Starfish
  • Sunflower
  • Girlfriend
  • Police woman
  • Football

Noun + Verb

Here is a list of compound words formed by combining a noun and a verb.

  • Firefly
  • Rainfall
  • Sunset
  • Photoshoot
  • Sunrise
  • Raindrop
  • Haircut
  • Snowfall

Verb + Noun

Here is a list of compound words formed by combining a verb and a noun.

  • Swim suit
  • Typewriter
  • Postman
  • Post office
  • Notebook
  • Breakfast
  • Proofread
  • Babysit

Verb + Preposition

Here is a list of compound words formed by combining a verb and a preposition.

  • Takeaway
  • Shutdown
  • Drawback
  • Checkin
  • Checkout
  • Lookout
  • Takedown
  • Breakup

Preposition + Verb

Here is a list of compound words formed by combining a preposition and a verb.

  • Intake
  • Outdo
  • Input
  • Output
  • Overthrow
  • Understand
  • Underestimate
  • Overlay

Noun + Adjective

Here is a list of compound words formed by combining a noun and an adjective.

  • Housefull
  • Heartbroken
  • Spoonful
  • Wireless
  • Lifelong
  • Snow white
  • Sky blue
  • Worldwide

Adjective + Noun

Here is a list of compound words formed by combining an adjective and a noun.

  • Greenhouse
  • Blackboard
  • Full-time
  • Superhero
  • Hot dog
  • Blacksmith
  • Long-term
  • Last minute

Gerund + Noun

Here is a list of compound words formed by combining a gerund and a noun.

  • Washing machine
  • Dining room
  • Swimming pool
  • Driving licence
  • Breaking point
  • Melting point
  • Living room
  • Working day

Noun + Gerund

Here is a list of compound words formed by combining a noun and a gerund.

  • Sightseeing
  • Mind-blowing
  • Nerve-wrecking
  • Nail-biting
  • Brainstorming
  • Mindmapping
  • Air conditioning
  • Time-consuming
  • Bird watching

Preposition + Noun

Here is a list of compound words formed by combining a preposition and a noun.

  • Underworld
  • Overview
  • Undergraduate
  • Oversight
  • Bystander
  • Afterlife
  • Background
  • Forehead
  • Upstairs

Taking a look at a number of examples will definitely help you out. So here is a list of some of the most common compound words used in English.

List of Commonly-Used Compound Words in English

Compound Words
Blackboard South-west North-east Indo-European Afro-American
First aid Bedroom Bathroom Washing machine Vending machine
Living room Swimming pool Drawing room Copyright Typewriter
Managing director Day-to-day Blood pressure Cold blooded Eye opener
Microorganism Cupboard Footnote Locksmith Blacksmith
Goldsmith Giveaway In-depth Breakup Breakdown
Blowout Housefull Showdown Long term Sunflower
Dilly dally Postman Post office Breakfast Notebook
Superhero Hot dog Full moon Merry-go-round Grandfather
Mother-in-law Father-in-law Sister-in-law Brother-in-law Granddaughter
Grandson Grandchild Good-hearted Last minute Real estate
Mind-blowing Far-fetched Warmup Firefly Butterfly
Grasshopper Blueberry Strawberry Half-baked Raincoat
All-nighter Know-it-all Smartphone Starfish Runway
Toothbrush Time table Hopscotch Uptown Eyeball
Keyboard Cupcake Homework Underground Popcorn
Daydream Nightmare Midnight Downstairs Upstairs
Parking lot Worksheet Snow white Keypoint Handout
Raindrop Hometown Extracurricular Network French fries
Brainstorm Teaspoon Table spoon Handbag Earthworm
Greenhouse Milkshake Farewell Showoff Newsletter
Subway Pathway Deadend Homemade Handmade
Peanut Jellybean Afternoon Namesake Foolproof
Waterproof Soundproof Policeman Scarecrow Passport
Forearm Eyebrow Nose ring Earring Staircase

Test Your Understanding of Compound Words

Use the following words to form open, closed or hyphenated compound words.

  • Sick
  • White
  • Written
  • Minded
  • Washed
  • Home
  • Hand
  • Well
  • Known
  • Broad
  • Hair
  • Lap
  • Half
  • Right
  • Card
  • Top
  • Handed
  • Cut
  • Flash
  • Sister

Given below are the list of compound words formed by combining the given list of words.

1. Homesick

2.Hand-written

3. White-washed

4. Well-known

5. Haircut

6. Half-sister

7. Flashcard

8. Right-handed

9. Laptop

10. Broad-minded

Frequently Asked Questions on Compound Words in English

What are compound words?

Compound words, as the name suggests, are a combination of two or more root words. They are combined to form words which mean something different from what the individual words mean.

What is the definition of a compound word?

A compound word, according to the Oxford Learner’s Dictionary, is defined as “a noun, an adjective or a verb made of two or more words or parts of words, written as one or more words, or joined by a hyphen.” The Cambridge Dictionary defines a compound word as “two or more words linked together to produce a word with a new meaning.” A compound word is defined as “is one that is made up of two or more words”, according to the Collins Dictionary.

What are the three types of compound words?

  • Open compound words
  • Closed compound words
  • Hyphenated compound words

What is an open compound word?

Open compound words are those that are formed by combining two or more words which can be written as separate words and still be used together as a compound word. Open compound words are mostly formed by combining an adjective and a noun to form a compound noun.
For example: First aid and post office

What is a closed compound word?

Closed compound words are those that are formed by combining two words but do not contain any space between them, unlike open compound words.
For example: Bedroom and keyhole

What is a hyphenated compound word?

Hyphenated compound words, as the name suggests are words formed by combining two or more words with a hyphen placed between them. Hyphenated compound words mostly function as compound adjectives.
For example: In-depth and snow-clad

Give some examples of compound words.

  • Living room
  • High school
  • Ice cream
  • Football
  • Backspace
  • Armchair
  • One-footed
  • Sun-dried
  • Day-to-day

Do you want to improve your English and want to know what compound words are? If yes, compound words are formed when two or more words are combined to form a new word. However, there are various types of compound words and their application can be tricky! Read this article and never go wrong with their usage.

Table of Contents
  1. Compound words in various forms
    1. Closed compound words
    2. Open compound words
    3. Hyphenated compound words
  2. How are compound words formed?
  3. Common errors in compound words
  4. In a nutshell
  5. FAQs

Many compound words exist in English. There could be many that you probably never realized were compound terms. Words like ‘football,’ for example, are made up of two different words: ‘foot’ and ‘ball.’ When combined, they form the name of a sport.

If you want to delve deep into learning about compound words, then read ahead. We have discussed it all in detail.

Compound words in various forms

Compound words are made up of two or more words that have been combined to form a new word with a distinct meaning. There are three types of compound words-

  • Closed compound word
  • Open compound word
  • Hyphenated compound word

It is crucial to remember, though, that a compound word doesn’t have to consist of just two components. One can also make a compound with more than two terms.

Closed compound words

The most well-known of the three categories are closed compound words. These words are formed when two or more words that were earlier unrelated but are now accepted as one are combined to make a single, larger word.

Consider the following examples

  • Waistcoat
  • Railroad
  • Mailbox
  • Sunflower
  • Breakfast

Let’s have a look at the word ‘mailbox.’ ‘Mail’ and ‘box’ are the two words that make this up. In this example, the word ‘mail’ does not mean ‘to write.’ Additionally, ‘box’ is a word that is added. However, the compound ‘mailbox’ means to store mail in a box. Thus, we get an entirely new word.

Compound words
“Before” is a compound word because, like the word “because,” it’s made up of the two words “be” and “fore.”

Open compound words

Open compound words differ from closed compound words in a way that they still appear as two, separated by a space. A modifying adjective is used with a noun to create a new noun. We classify them as compound words since they have a new and distinct meaning when they’re combined.

Consider the following examples-

  • Living room
  • Real estate  
  • Ice cream

The word ‘room’ is a noun that is complete on its own. However, the word ‘living’ is added to it. So, it specifically becomes a new noun – living room – which means a room meant for living purposes. Another example is ‘reading room,’ which is a room meant for reading.

Hyphenated compound words

There are a lot of things to remember when it comes to hyphenated compound words. The most crucial thing to remember is that if an open compound word is used to modify another noun, it will nearly always be hyphenated.

When modifying a noun like ‘player’ or ‘collector,’ for example, the term ‘video game’ is an open compound that is usually hyphenated. As a result, the new phrases are video-game collectors.

Hyphens are often used when a compound adjective is put before a participle, or a word is framed from an action word. These terms can likewise be utilized to modify a thing’s significance. For example, in the phrase “record-breaking snow,” the adjective occurs before the present participle, and they both refer to the noun “snow.”

Consider the following examples

  • Short-term
  • Father-in-law
  • Cold-hearted
  • Merry-go-round
  • Check-out
Compound words
The compound word usually serves as an adjective, such as “Marathon runners have insane workout programs.”

How are compound words formed?

Like many other aspects of the English language, they are the outcome of linguistic evolution. When two words are used together often in speech and writing, their meanings become increasingly similar over time. This usually happens first in speech and then in writing, when compounds are recognized as separate words.

The closed compound word ‘notebook’ is a perfect example of this. We would have said, “a book to write notes in” before the word “notebook” existed. It’s possible that this was condensed to an open compound, ‘note book’ at that point. This would have eventually turned into the term notebook, which we still use today.

We may also compare words that should be similar in nature to see how the English language evolves through time. Backyard and backseat are closed compound words, but the front yard and front seat are open terms. Nonetheless, they both define a certain area of the yard or a car seat’s location.

However, sometimes compounds are produced as a result of a linguistic gap. For example, the term ‘football’ would have been developed out of necessity because the game would have been without a name otherwise. This compound is regarded to be quite literal, as it is made up of the terms foot and ball, which refer to the act of kicking a ball with one’s foot.

Compound words are sometimes referred to as compound nouns. When two nouns are united to make another noun, it is called compounding. A compound noun is a sort of compound word used to describe someone, somewhere, or something. Compound nouns include toothpaste, rain forest, brother-in-law, etc.

Compound words
Compound word does have its own characteristics. Moreover, they behave grammatically and semantically as single words.

Common errors in compound words

Writers might quickly become lost by compound words. Closed compounds (for example, horseshoe), hyphenated compounds (light-year), and open compounds (income tax) are all terms used to describe compound nouns.

A broad group of words, such as everyday, are rightly closed in one grammatical form and open in the other. This is true for many verb-preposition phrases, such as “log in,” “break down,” and “mark up,” that become closed compounds when used as nouns. There are, however, exceptions, such as come-on, where the compound is hyphenated as displayed.

In a nutshell

All in all, a compound word is one that is made up of two or more terms that have been combined. The two (or more) terms that make up the compound word are separate terms with unique meanings. If you want to clear out more of your English doubts, reach out to us or drop a comment!

Liked this blog? Read more: Parts of Speech in English | An overview on 8 important sections

FAQs

Q1. What are some tricky compound words?

Answer- The following are a few tricky compound words-

  • A lot- many
  • Allot- to give
  • All together- as a group
  • Altogether- entirely
  • Every day- time or period
  • Everyday- noun or adjective

Q2. How to identify compound words?

Answer- When two words are used together to yield a new meaning, a compound is formed. Some change their type based on their function in a particular sentence. To identify compound words, you must know the word’s function in the sentence such as a noun, an adjective, or a verb.

Q3. What are compound sentences?

Answer- A compound sentence has at least two independent clauses joined by a comma, semicolon, or conjunction. For example, they spoke to him in French, but he responded in English.

150 Examples of Compound Words for Kids

What are Compound Words?

Compound words are formed when two or more words are joined together to create a new word that has an entirely new meaning.

Click here for Compound Words Games, Videos, Quizzes, Worksheets and Lessons.

For example, “sun” and “flower” are two different words, but when fused together, they form another word, Sunflower. These words are formed by either adding a hyphen or just using the two words as a single term.  The spelling of the two words is not necessarily changed when they are joined together, but the definition becomes unique.

downloaddownload 15378-illustration-of-a-red-flower-pv   download (2)download (1)

Consider the words “make up” and “makeup”. This is a more advanced example of a compound word because the resulting combination is a homonym and can be used in more than one way.

Make up your mind fast.

My makeup was ruined by the rain!

I have a makeup exam tomorrow.

In the first sentence, make up is a verb. In the second sentence, makeup is used as a noun.  In the third sentence, we see makeup as an adjective describing “exam.”

Types of Compound Words

There are three types of compound words;

  1. Closed Compound words: These words are written as a single word, such as haircut, newspaper, grandmother, etc.
  2. Open Compounds: Compound words that are written as separate words such as high school, living room, school bus, etc.
  3. Hyphenated Compounds: Words that use a hyphen in between two words, such as well-known, second-rate, merry-go-round, etc.

Fun ways to teach Compound Words

Every child has a different way of learning. What works for one may not work for another so we have created these fun ways to teach your kid compound words. Choose the best activity that tailors to your kid’s learning style.

  • Visual learning style – Prepare flashcards, half with words and half with pictures. Have your child lay them out in grid style and flip two cards over at a time. The goal is to find a word and a picture to create a compound word. Students will have to use their memory to succeed at this game.
  • Kinesthetic learning style- Give students a compound word and have them draw the two “parts” of the compound word. For example, for “doghouse” a kid would draw a dog and a house.
  • Help the kids make compound word daisies. Have them write a word in the middle of the paper flower and ask them to write compound words that utilize the word on the petals.

Once your students know the basics of compounds, you can help them move onto more difficult words.

Practice with these 150 examples of compound words:

  1. Airplane
  2. Airport
  3. Angelfish
  4. Antfarm
  5. Ballpark
  6. Beachball
  7. Bikerack
  8. Billboard
  9. Blackhole
  10. Blueberry
  11. Boardwalk
  12. Bodyguard
  13. Bookstore
  14. Bow Tie
  15. Brainstorm
  16. Busboy
  17. Cabdriver
  18. Candlestick
  19. Car wash
  20. Cartwheel
  21. Catfish
  22. Caveman
  23. Chocolate chip
  24. Crossbow
  25. Daydream
  26. Deadend
  27. Doghouse
  28. Dragonfly
  29. Dress shoes
  30. Dropdown
  31. Earlobe
  32. Earthquake
  33. Eyeballs
  34. Father-in-law
  35. Fingernail
  36. Firecracker
  37. Firefighter
  38. Firefly
  39. Firework
  40. Fishbowl
  41. Fisherman
  42. Fishhook
  43. Football
  44. Forget
  45. Forgive
  46. French fries
  47. Goodnight
  48. Grandchild
  49. Groundhog
  50. Hairband
  51. Hamburger
  52. Handcuff
  53. Handout
  54. Handshake
  55. Headband
  56. Herself
  57. High heels
  58. Honeydew
  59. Hopscotch
  60. Horseman
  61. Horseplay
  62. Hotdog
  63. Ice cream
  64. Itself
  65. Kickball
  66. Kickboxing
  67. Laptop
  68. Lifetime
  69. Lighthouse
  70. Mailman
  71. Midnight
  72. Milkshake
  73. Moonrocks
  74. Moonwalk
  75. Mother-in-law
  76. Movie theater
  77. Newborn
  78. Newsletter
  79. Newspaper
  80. Nightlight
  81. Nobody
  82. Northpole
  83. Nosebleed
  84. Outer space
  85. Over-the-counter
  86. Overestimate
  87. Paycheck
  88. Policeman
  89. Ponytail
  90. Post card
  91. Racquetball
  92. Railroad
  93. Rainbow
  94. Raincoat
  95. Raindrop
  96. Rattlesnake
  97. Rockband
  98. Rocketship
  99. Rowboat
  100. Sailboat
  101. Schoolbooks
  102. Schoolwork
  103. Shoelace
  104. Showoff
  105. Skateboard
  106. Snowball
  107. Snowflake
  108. Softball
  109. Solar system
  110. Soundproof
  111. Spaceship
  112. Spearmint
  113. Starfish
  114. Starlight
  115. Stingray
  116. Strawberry
  117. Subway
  118. Sunglasses
  119. Sunroof
  120. Supercharge
  121. Superman
  122. Superstar
  123. Tablespoon
  124. Tailbone
  125. Tailgate
  126. Take down
  127. Takeout
  128. Taxpayer
  129. Teacup
  130. Teammate
  131. Teaspoon
  132. Tennis shoes
  133. Throwback
  134. Timekeeper
  135. Timeline
  136. Timeshare
  137. Tugboat
  138. Tupperware
  139. Underestimate
  140. Uplift
  141. Upperclassman
  142. Uptown
  143. Video game
  144. Wallflower
  145. Waterboy
  146. Watermelon
  147. Wheelchair
  148. Without
  149. Workboots
  150. Worksheet
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Anybody Can Learn About Compound Words. Here’s Everything You Need To Know


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Compounds words are when two or more words are joined together, creating a new word. Read on to learn about the many types of compound words.

There are several types of compound words.

Some compounds have more than two words, like “mother-in-law.”
Correct Use
  • Compound words are when two or more words are joined, creating a different word with another distinct meaning.
  • There are different types of compound words: open (high school), closed (grandmother), or hyphenated (two-fold).
  • Compound words include compound nouns (stereotype), compound adjectives (everlasting), and compound verbs (greenwash).

What do a honeybee, butterfly, earthworm, and jitterbug have in common? That they’re all insects? Nope! That they’re compound words. We’ll teach you everything you need to know about compound words, from what they are to the different types.

Think of the word fire. You might be picturing something similar to flames of bright light, heat, and smoke. Now, think of the word fighter. You’re most likely thinking of something or someone that fights, like a boxer or soldier. Now, put these two words together: firefighter. What do you imagine? A person whose career is to put out and extinguish fires. This is an example of a compound word—two words with separate meanings combined to create an entirely new word.


Types of Compound Words

There are a few types of compound words, including:

  • Compound nouns
  • Compound adjectives
  • Compound verbs

These can be written as either open, closed, or hyphenated compounds. Open compounds are compounds that have a space between each word (e.g., full moon). Closed compounds don’t have a space (e.g., daybed), and hyphenated compounds have a hyphen separating each word (e.g., up-to-date).


Compound Nouns

A compound noun is made up of a noun plus another noun. Take moonlight as an example. However, compound nouns are also made using other parts of speech, like verbs and adjectives.

Think of the word haircut. Hair on its own is a noun. Cut is often used as a verb, but when you put those two words together, it becomes a noun again. Please note that the order of a compound noun is not limited to noun + noun, or noun + other parts of speech. Many combinations can produce a compound noun. For example, a verb + a noun can also create a compound noun (e.g., swimsuit).

There are opened, closed, and hyphenated compound nouns. Below are a few examples of each.

Open Closed Hyphenated
Black eye
(adjective + noun)
Payday
(verb + noun)
Check-in
(verb + preposition)
Slam dunk
(verb + noun)
Lookout
(verb + adverb)
Well-being
(noun + verb)
Quick fix
(adjective + noun)
Breakfast
(verb + noun)
Two-fold
(noun + noun)
Washing machine
(verb + noun)
Skateboard
(verb + noun)
Take-out
(verb + preposition)
Close call
(adjective + noun)
Turntable
(verb + noun)
Merry-go-round
(adjective + verb + adverb)

Often, many words start as open compound words, and eventually turn into closed compound words (e.g., notebook). There are a few standards that can be remembered to know whether a compound word should be opened, closed, or hyphenated. For example, a noun + noun compound word is usually closed (e.g., boyfriend). A compound word that uses a verb +ing” is often written as an open compound (e.g., dry cleaning).


Compound Adjectives

Compound adjectives are two words joined into one to describe a noun (or compound noun). Like compound nouns, they can contain different parts of speech. Compound adjectives are mostly written with hyphens, but there are also opened and closed forms of these words.

Here are a few examples of compound adjectives:

  • Noun + noun + adjective:

Last time she walked by the lake, she saw a seven-foot-long alligator.

  • Adjective + noun:

They were in a long-distance relationship for seven years.

  • Adverb + past participle:

A new school had to be built because the old one was overpopulated.

Quick Tip

As with most English language rules, the rules for compound nouns and compound adjectives are not set in stone. Knowing when to use what type of compound word takes practice and familiarization. Your best bet would be writing with an easy-to-use spell and grammar checker like LanguageTool. Not only will this writing assistant make sure you consistently use the correct form of a compound word, but it will also conveniently provide synonyms and offer stylistic improvements.


Compound Verbs

There are several types of compound verbs, like phrasal verbs, prepositional verbs, and helping verbs. Here, we are only going to focus on single-word compound verbs. Like in compound nouns and adjectives, these verbs are made by joining two words. Below are a few examples of compound verbs:

I was looking for someone who could babysit my kids for the weekend.

He was notorious for overcooking steaks.

For her birthday, she wanted to test-drive a new Ferrari.

I didn’t want to overstay my visit.

He had to sound-proof his apartment.

Keep in mind that compound verbs are usually written with a hyphen or as a closed compound.

When it comes to compound words, here’s what you should remember: There are many types, like compound nouns, adjectives, and verbs. These can come as open compound words (which have a space between the words), closed compound words (don’t have a space), and hyphenated compounds (the words are separated by a hyphen).

Many compound words have multiple acceptable ways of being written. Sometimes, they start with a space and through years of use, the space is eventually removed. The ambiguity of compound words is what makes them difficult to master. That’s why it’s worth reiterating that you should always have a user-friendly text editor like LanguageTool to help you get the correct spelling (and spacing) of compound words.


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