Words that have prefix root word and suffix

Below you will see a chart of English language word roots that
are common prefixes and suffixes to base words. (This list is similar
to that which appeared previously on this site.)

This list is a small portion of our 2,000 word root database which you can
search using our root search engine.

Root, Prefix or Suffix Meaning Examples a, ac, ad, af, ag, al, an, ap, as, at to, toward, near, in addition to, by aside, accompany, adjust, aggression, allocate, annihilate, affix, associate, attend, adverb a-, an- not, without apolitical, atheist, anarchy, anonymous, apathy, aphasia, anemia ab, abs away from, off absolve, abrupt, absent -able, -ible Adjective: worth, ability solvable, incredible acer, acid, acri bitter, sour, sharp acerbic, acidity, acrid, acrimony act, ag do, act, drive active, react, agent, active, agitate acu sharp acute, acupuncture, accurate -acy, -cy Noun: state or quality privacy, infancy, adequacy, intimacy, supremacy -ade act, product, sweet drink blockade, lemonade aer, aero air, atmosphere, aviation aerial, aerosol, aerodrome ag, agi, ig, act do, move, go agent, agenda, agitate, navigate, ambiguous, action -age Noun: activity, or result of action courage, suffrage, shrinkage, tonnage agri, agro pertaining to fields or soil agriculture, agroindustry -al Noun: action, result of action referral, disavowal, disposal, festival -al, -ial, -ical Adjective: quality, relation structural, territorial, categorical alb, albo white, without pigment albino, albite ali, allo, alter other alias, alibi, alien, alloy, alter, alter ego, altruism alt high, deep altimeter, altitude am, ami, amor love, like, liking amorous, amiable, amicable, enamoured ambi both ambidextrous ambul to walk ambulatory, amble, ambulance, somnambulist -an Noun: person artisan, guardian, historian, magician ana, ano up, back, again, anew anode, anagram, anagenetic -ance, -ence Noun: action, state, quality or process resistance, independence, extravagance, fraudulence -ancy, -ency Noun: state, quality or capacity vacancy, agency, truancy, latency andr, andro male, characteristics of men androcentric, android ang angular angle anim mind, life, spirit, anger animal, animate, animosity ann, annu, enni yearly annual, annual, annuity, anniversary, perrenial -ant, -ent Noun: an agent, something that performs the action disinfectant, dependent, fragrant -ant, -ent, -ient Adjective: kind of agent, indication important, dependent, convenient ante before anterior, anteroom, antebellum, antedate, antecedent antediluvian anthrop man anthropology, misanthrope, philanthropy anti, ant against, opposite antisocial, antiseptic, antithesis, antibody, antinomies, antifreeze, antipathy anti, antico old antique, antiquated, antiquity apo, ap, aph away from, detached, formed apology, apocalypse, aphagia aqu water aqueous -ar, -ary Adjective: resembling, related to spectacular, unitary arch chief, first, rule archangel, architect, archaic, monarchy, matriarchy, patriarchy, Archeozoic era -ard, -art Noun: characterized braggart, drunkard, wizard aster, astr star aster, asterisk, asteroid, astronomy, astronaut -ate Noun: state, office, fuction candidate, electorate, delegate -ate Verb: cause to be graduate, ameliorate, amputate, colligate -ate Adjective: kind of state inviolate -ation Noun: action, resulting state specialization, aggravation, alternation auc, aug, aut to originate, to increase augment , author, augment, auction aud, audi, aur, aus to hear, listen audience, audio, audible, auditorium, audiovisual, audition, auricular, ausculate aug, auc increase augur, augment, auction aut, auto self automobile, automatic, automotive, autograph, autonomous, autoimmune bar weight, pressure barometer be on, around, over, about, excessively, make, cause, name, affect berate, bedeck, bespeak, belittle, beleaguer belli war rebellion, belligerent, casus belli, bellicose bene good, well, gentle benefactor, beneficial, benevolent, benediction, beneficiary, benefit bi, bine two biped, bifurcate, biweekly, bivalve, biannual bibl, bibli, biblio book bibliophile, bibliography, Bible bio, bi life biography, biology, biometricsm biome, biosphere brev short abbreviate, brevity, brief cad, cap, cas, ceiv, cept, capt, cid, cip to take, to seize, to hold receive, deceive, capable, capacious, captive, accident, capture, occasion, concept, intercept, forceps, except, reciprocate cad, cas to fall cadaver, cadence, cascade -cade procession motorcade calor heat calorie, caloric, calorimeter capit, capt head decapitate, capital, captain, caption carn flesh carnivorous, incarnate, reincarnation, carnal cat, cata, cath down, with catalogue, category, catheter caus, caut burn, heat caustic, cauldron, cauterize cause, cuse, cus cause, motive because, excuse, accusation ceas, ced, cede, ceed, cess to go, to yield, move, go, surrender succeed, proceed, precede, recede, secession, exceed, succession cent hundred centennial, century, centipede centr, centri center eccentricity, centrifugal, concentric, eccentric chrom color chrome, chromosome, polychrome, chromatic chron time chronology, chronic, chronicle chronometer, anachronism, synchronize cide, cis, cise to kill, to cut, cut down fratricide, homicide, incision, incision, circumcision, scissors circum around circumnavigate, circumflex, circumstance, circumcision, circumference, circumorbital, circumlocution, circumvent, circumscribe, circulatory cit call, start incite, citation, cite civ citizen civic, civil, civilian, civilization clam, claim cry out exclamation, clamor, proclamation, reclamation, acclaim clin lean, bend decline, aclinic, inclination clud, clus claus to close, shut include, exclude, clause, claustrophobia, enclose, exclusive, reclusive, conclude co, cog, col, coll, con, com, cor with, together cohesiveness, cognate, collaborate, convene, commitment, compress, contemporary, converge, compact, confluence, convenient, concatenate, conjoin, combine, correct cogn, gnos to know recognize, cognizant, diagnose, agnostic, incognito, prognosis com, con fully complete, compel, conscious, condense, confess, confirm contr, contra, counter against, opposite contradict, counteract, contravene, contrary, counterspy, contrapuntal cord, cor, cardi heart cordial, concord, discord, courage, encourage corp body corporation, corporal punishment, corpse, corpulent, corpus luteum cort correct escort, cortage cosm universe, world cosmos, microcosm, cosmopolitan, cosmonaut cour, cur, curr, curs run, course occur, excursion, discourse, courier, course crat, cracy rule autocrat, aristocrat, theocracy, technocracy cre, cresc, cret, crease grow create, crescent, accretion, increase crea create creature, recreation, creation cred believe creed, credo, credence, credit, credulous, incredulous, incredible cresc, cret, crease, cru rise, grow crescendo, concrete, increase, decrease, accrue crit separate, choose critical, criterion, hypocrite cur, curs run current, concurrent, concur, incur, recur, occur, courier, precursor, cursive cura care curator, curative, manicure cycl, cyclo wheel, circle, circular Cyclops, unicycle, bicycle, cyclone, cyclic de- from, down, away, to do the opposite, reverse, against detach, deploy, derange, decrease, deodorize, devoid, deflate, degenerate dec, deca ten, ten times decimal, decade, decalogue, decimate, decathlon dec, dign suitable decent decorate dignity dei, div God divinity, divine, deity, divination, deify dem, demo people, populace, population democracy, demography, demagogue, epidemic dent, dont tooth dental, denture, orthodontist, periodontal derm skin, covering hypodermic, dermatology, epidermis, taxidermy di-, dy- two, twice, double divide, diverge, diglycerides dia through, across, between diameter, diagonal, dialogue dialect, dialectic, diagnosis, diachronic dic, dict, dit say, speak dictation, dictionary, dictate, dictator, Dictaphone, edict, predict, verdict, contradict, benediction dis, dif not, opposite of, reverse, separate, deprive of, away dismiss, differ, disallow, disperse, dissuade, divide, disconnect, disproportion, disrespect, distemper, disarray dit give credit, audit doc, doct teach, prove docile, doctor, doctrine, document, dogma, indoctrinate domin master, that which is under control dominate, dominion, predominant, domain don give donate, condone dorm sleep dormant, dormitory dox thought, opinion, praise orthodox, heterodox, paradox, doxology -drome run, step syndrome, aerodrome, velodrome duc, duct to lead, pull produce, abduct, product, transducer, viaduct, aqueduct, induct, deduct, reduce, induce dura hard, lasting durable, duration, endure dynam power dynamo, dynamic, dynamite, hydrodynamics dys- bad, abnormal, difficult, impaired, unfavorable dysfunctional, dyslexia, dyspathy e- not, missing, out, fully, away, computer network related emit, embed, eternal,ether, erase, email, e-tailer ec- out of, outside echo, eclipse, eclectic, ecesis, ecstasy, exzema eco- household, environment, relating to ecology or economy ecology, economize, ecospheres, ecomanagement ecto- outside, external ectomorph, ectoderm, ectoplasm -ed Verb: past tense dressed, faded, patted, closed, introduced -ed Adjective: having the quality or characteristics of winged, moneyed, dogged, tiered -en Verb: to cause to become lengthen, moisten, sharpen -en Adjective: material golden, woolen, silken en-, em- put into, make, provide with, surround with enamor, embolden, enslave, empower, entangle -ence, -ency Noun: action or process, quality or state reference, emergency, dependence, eminence, latency end- inside, within endorse, endocardial, endergonic, endoskeleton, endoscope, endogenous epi- upon, close to, over, after, altered epicenter, epicarp, epilogue, epigone, epidiorite equi- equal equidistant, equilateral, equilibrium, equinox, equation, equator -er, -ier Adjective: comparative better, brighter, sooner, hotter, happier -er, -or Noun: person or thing that does something flyer, reporter, player, member, fryer, collector, concentrator -er, -or Verb: action ponder, dishonor, clamor erg work, effect energy, erg, allergy, ergometer, ergograph, ergophobia -ery collective qualities, art, practice, trade, collection, state, condition snobbery, bakery, geenery, gallery, slavery -es, -ies Noun: plural of most nouns ending in -ch, -s, -sh, -o and -z and some in -f and -y passes, glasses, ladies, heroes -es, -ies Verb: third person singular present indicative of verbs that end in -ch, -s, -sh, — and some in -y blesses, hushes, fizzes, defies -ess female actress, goddess, poetess -est, -iest Adjective or Adverb: superlative latest, strongest, luckiest, lyingest ev-, et- time, age medieval, eternal ex- out of, away from, lacking, former exit, exhale, exclusive, exceed, explosion, ex-mayor exter-, extra-, extro- outside of, beyond external, extrinsic, extraordinary, extrapolate, extraneous, extrovert fa, fess speak fable, fabulous, fame, famous, confess, profess fac, fact, fec, fect, fic, fas, fea do, make difficult, fashion, feasible, feature, factory, fact, effect, manufacture, amplification, confection fall, fals deceive fallacy, falsify, fallacious femto quadrillionth femtosecond fer bear, carry ferry, coniferous, fertile, defer, infer, refer, transfer fic, feign, fain, fit, feat shape, make, fashion fiction, faint, feign fid belief, faith confide, diffident, fidelity fid, fide, feder faith, trust confidante, fidelity, confident, infidelity, infidel, federal, confederacy, semper fi fig shape, form figurem, effigy, figure, figment fila, fili thread filigree, filament, filter, filet, filibuster fin end, ended, finished final, finite, finish, confine, fine, refine, define, finale fix repair, attach fix, fixation, fixture, affix, prefix, suffix flex, flect bend flex, reflex, flexible, flexor, inflexibility, reflect, deflect,circumflex flict strike affliction, conflict, inflict flu, fluc, fluv, flux flow influence, fluid, flue, flush, fluently, fluctuate, reflux, influx -fold Adverb: in a manner of, marked by fourfold for, fore before forecast, fortune, foresee forc, fort strength, strong effort, fort, forte, fortifiable, fortify, forte, fortitude form shape, resemble form, format, conform, formulate, perform, formal, formula fract, frag, frai break fracture, infraction, fragile, fraction, refract, frail fuge flee subterfuge, refuge, centrifuge -ful Noun: an amount or quanity that fills mouthful -ful Adjective: having, giving, marked by fanciful fuse pour confuse, transfuse -fy make, form into falsify, dandify gam marriage bigamy, monogamy, polygamy gastr, gastro stomach gastric, gastronomic, gastritis, gastropod gen kind generous gen birth, race, produce genesis, genetics, eugenics, genealogy, generate, genetic, antigen, pathogen geo earth geometry, geography, geocentric, geology germ vital part germination, germ, germane gest carry, bear congest, gestation giga billion gigabyte, gigaflop gin careful gingerly gloss, glot tongue glossary, polyglot, epiglottis glu, glo lump, bond, glue glue, agglutinate, conglomerate gor to gather, to bring together category, categorize grad, gress, gree to gather, to bring together, step, go grade, degree, progress, gradual, graduate, egress graph, gram, graf write, written, draw graph, graphic, autograph, photography, graphite, telegram, polygraph, grammar, biography, lithograph, graphic grat pleasing congratulate, gratuity, grateful, ingrate grav heavy, weighty grave, gravity, aggravate, gravitate greg herd gregarious, congregation, segregate, gregarian hale, heal make whole, sound inhale, exhale, heal, healthy, healthiness helio sun heliograph, heliotrope, heliocentric hema, hemo blood hemorrhage, hemoglobin, hemophilia, hemostat her, here, hes stick adhere, cohere, cohesion, inherent, hereditary, hesitate hetero other, different heterodox, heterogeneous, heterosexual, heterodyne hex, ses, sex six hexagon, hexameter, sestet, sextuplets homo same homogenize, homosexual, homonym, homophone hum, human earth, ground, man humus, exhume, humane hydr, hydra, hydro water dehydrate, hydrant, hydraulic, hydraulics, hydrogen, hydrophobia hyper over, above hyperactive, hypertensive, hyperbolic, hypersensitive, hyperventilate, hyperkinetic hypn sleep hypnosis, hypnotherapy -ia Noun: names, diseases phobia -ian, an Noun: related to, one that is pedestrian, human -iatry Noun: art of healing psychiatry -ic Adjective: quality, relation generic -ic, ics Noun: related to the arts and sciences arithmetic, economics -ice Noun: act malice -ify Verb: cause specify ignis fire ignite, igneous, ignition -ile Adjective: having the qualities of projectile in, im into, on, near, towards instead, import in, im, il, ir not illegible, irresolute, inaction, inviolate, innocuous, intractable, innocent, impregnable, impossible, imposter infra beneath infrared, infrastructure -ing Noun: material made for, activity, result of an activity flooring, swimming, building -ing Verb: present participle depicting -ing Adjective: activity cohering inter between, among international, intercept, interject, intermission, internal, intermittent, intra within, during, between layers, underneath intramural, intranet, intranatal intro into, within, inward interoffice, introvert, introspection, introduce -ion Noun: condition or action abduction -ish Adjective: having the character of newish -ism Noun: doctrine, belief, action or conduct formalism -ist Noun: person or member podiatrist -ite Noun: state or quality graphite -ity, ty Noun: state or quality lucidity, novelty -ive Noun: condition native -ive, -ative, -itive Adjective: having the quality of festive, cooperative, sensitive -ize Verb: cause fantasize jac, ject throw reject, eject, project, trajectory, interject, dejected, inject, ejaculate, adjacent join, junct join adjoining, enjoin, juncture, conjunction, injunction, conjunction judice judge prejudice jug, junct, just to join junction, adjust, conjugal juven young juvenile, rejuvenate labor work laborious, belabor lau, lav, lot, lut wash launder, lavatory, lotion, ablution, dilute lect, leg, lig choose, gather, select, read collect, legible, eligible leg law legal, legislate, legislature, legitimize -less Adjective: without, missing motiveless levi light alleviate, levitate, levity lex, leag, leg law legal, college, league liber, liver free liberty, liberal, liberalize, deliverance lide strike collide, nuclide liter letters literary, literature, literal, alliteration, obliterate loc, loco place, area location, locally, locality, allocate, locomotion log, logo, ology word, study, say, speech, reason, study catalog, prologue, dialogue, zoology, logo loqu, locut talk, speak eloquent, loquacious, colloquial, circumlocution luc, lum, lun, lus, lust light translucent, luminary, luster, luna, illuminate, illustrate lude play prelude -ly Adverb: in the manner of fluently macr-, macer lean emaciated, meager magn great magnify, magnificent, magnanimous, magnate, magnitude, magnum main strength, foremost mainstream, mainsail, domain, remain mal bad, badly malformation, maladjusted, dismal, malady, malcontent,malfunction, malfeasance, maleficent man, manu hand, make, do manual, manage, manufacture, manacle, manicure, manifest, maneuver, emancipate, management mand command mandatory, remand, mandate mania madness mania, maniac, kleptomania, pyromania mar, mari, mer sea, pool marine, marsh, maritime, mermaid matri mother matrimony, maternal, matriarchate, matron medi half, middle, between, halfway mediate, medieval, Mediterranean, mediocre, medium mega great, million megaphone, megaton, megaflop, megalomaniac, megabyte, megalopolis mem recall, remember memo, commemoration, memento, memoir, memorable ment mind mental, mention -ment Noun: condition or result document meso middle mesomorph, mesoamerica, mesosphere meta beyond, change metaphor, metamorphosis, metabolism, metahistorical, metainformation meter measure meter, voltammeter, barometer, thermometer metr admeasure, apportion metrics, asymmetric, parametric, telemetry micro small, millionth microscope, microfilm, microcard, microwave, micrometer, microvolt migra wander migrate, emigrant, immigrate mill, kilo thousand millennium, kilobyte, kiloton milli thousandth millisecond, milligram, millivolt min little, small minute, minor, minuscule mis wrong, bad, badly misconduct, misinform, misinterpret, mispronounce, misnomer, mistake, misogynist mit, miss send emit, remit, submit, admit, commit, permit, transmit, omit, intermittent, mission, missile mob, mov, mot move motion, remove, mobile, motor mon warn, remind monument, admonition, monitor, premonition mono one monopoly, monotype, monologue, mononucleosis, monorail, monotheist, mor, mort mortal, death mortal, immortal, mortality, mortician, mortuary morph shape, form amorphous, dimorphic, metamorphosis, morphology, polymorphic, morpheme, amorphous multi many, much multifold, multilingual, multiped, multiply, multitude, multipurpose, multinational nano billionth nanosecond, nanobucks nasc, nat, gnant, nai to be born nascent, native, pregnant, naive nat, nasc to be from, to spring forth innate, natal, native, renaissance neo new Neolithic, nuveau riche, neologism, neophyte, neonate -ness Noun: state, condition, quality kindness neur nerve neuritis, neuropathic, neurologist, neural, neurotic nom law, order autonomy, astronomy, gastronomy, economy nom, nym name nominate, synonym nomen, nomin name nomenclature, nominate, ignominious non nine nonagon non not nonferrous, nonsense, nonabrasive, nondescript nov new novel, renovate, novice, nova, innovate nox, noc night nocturnal, equinox, noctilucent numer number numeral, numeration, enumerate, innumerable numisma coin numismatics ob, oc, of, op toward, against, in the way oppose, occur, offer, obtain oct eight octopus, octagon, octogenarian, octave oligo few, little Oligocene, oligosaccharide, oligotrophic, oligarchy omni all, every omnipotent, omniscient, omnipresent, omnivorous onym name anonymous, pseudonym, antonym, synonym oper work operate, cooperate, opus -or Noun: condition or activity valor, honor, humor, minor ortho straight, correct orthodox, orthodontist, orthopedic, unorthodox -ory Noun: place for, serves for territory, rectory -ous, -eous, -ose, -ious Adjective: having the quality of, relating to adventurous, courageous, verbose, fractious over excessive, above overwork, overall, overwork pac peace pacifist, pacify, pacific ocean pair, pare arrange, assemblage, two repair, impair, compare, prepare paleo old Paleozoic, Paleolithic, paleomagnetism, paleopsychology pan all Pan-American, pan-African, panacea, pandemonium (place of all the demons), para beside paradox, paraprofessional, paramedic, paraphrase, parachute pat, pass, path feel, suffer patient, passion, sympathy, pathology pater, patr father paternity, patriarch, patriot, patron, patronize path, pathy feeling, suffering pathos, sympathy, antipathy, apathy, telepathy ped, pod foot pedal, impede, pedestrian, centipede, tripod, podiatry, antipode, podium pedo child orthopedic, pedagogue, pediatrics pel, puls drive, push, urge compel, dispel, expel, repel, propel, pulse, impulse, pulsate, compulsory, expulsion, repulsive pend, pens, pond hang, weigh pendant, pendulum, suspend, appendage, pensive, append per through, intensive persecute, permit, perspire, perforate, persuade peri around periscope, perimeter, perigee, periodontal phage eat macrophage, bacteriophage phan, phas, phen, fan, phant, fant show, make visible phantom, fantasy phe speak blaspheme, cipher, phenomenon, philosopher phil love philosopher, philanthropy, philharmonic, bibliophile phlegma inflammation phlegm, phlegmatic phobia, phobos fear phobia, claustrophobia, acrophobia, aquaphobia, ergophobia, homophobia phon sound telephone, phonics, phonograph, phonetic, homophone, microphone, symphony, euphonious phot, photo light photograph, photoelectric, photogenic, photosynthesis, photon pico trillionth picofarad, picocurie, picovolt pict paint, show, draw picture, depict plac, plais please placid, placebo, placate, complacent pli, ply fold reply, implicate, ply plore cry out, wail implore, exploration, deploring plu, plur, plus more plural, pluralist, plus pneuma, pneumon breath pneumatic, pneumonia, pod foot, feet podiatry, tripod poli city metropolis, police, politics, Indianapolis, megalopolis, acropolis poly many polytheist, polygon, polygamy, polymorphous pon, pos, pound place, put postpone, component, opponent, proponent, expose, impose, deposit, posture, position, expound, impound pop people population, populous, popular port carry porter, portable, transport, report, export, import, support, transportation portion part, share portion, proportion post after, behind postpone, postdate pot power potential, potentate, impotent pre, pur before precede prehendere seize, grasp apprehend, comprehend, comprehensive, prehensile prin, prim, prime first primacy, prima donna, primitive, primary, primal, primeval, prince, principal pro for, foward propel proto first prototype, protocol, protagonist, protozoan, Proterozoic, protoindustrial psych mind, soul psyche, psychiatry, psychology, psychosis punct point, dot punctual, punctuation, puncture, acupuncture, punctuation pute think dispute, computer quat, quad four quadrangle, quadruplets quint, penta five quintet, quintuplets, pentagon, pentane, pentameter quip ship equip, equipment quir, quis, quest, quer seek, ask query, inquire, exquisite, quest re back, again report, realign, retract, revise, regain reg, recti straighten regiment, regular, rectify, correct, direct, rectangle retro backwards retrorocket, retrospect, retrogression, retroactive ri, ridi, risi laughter deride, ridicule, ridiculous, derision, risible rog, roga ask prerogative, interrogation, derogatory rupt break rupture, interrupt, abrupt, disrupt, ruptible sacr, sanc, secr sacred sacred, sacrosanct, sanction, consecrate, desecrate salv, salu safe, healthy salvation, salvage, salutation sanct holy sanctify, sanctuary, sanction, sanctimonious, sacrosanct sat, satis enough satient, saturate, satisfy sci, scio, scientia know science, conscious, omniscient, cognocienti scope see, watch telescope, microscope, kaleidoscope, periscope, stethoscope scrib, script write scribe, scribble, inscribe, describe, subscribe, prescribe, manuscript se apart, move away from secede sect, sec cut intersect, transect, dissect, secant, section sed, sess, sid sit sediment, session, obsession, possess, preside, president, reside, subside semi half, partial semifinal, semiconscious, semiannual, semimonthly, semicircle sen, scen old, grow old senior, senator, senile, senescence, evanescent sent, sens feel, think sentiment, consent, resent, dissent, sentimental, sense, sensation, sensitive, sensory, dissension sept seven septet, septennial sequ, secu, sue follow sequence, consequence, sequel, subsequent, prosecute, consecutive, second, ensue, pursue serv save, serve, keep servant, service, subservient, servitude, preserve, conserve, reservation, deserve, conservation, observe -ship Noun: status, condition relationship, friendship sign, signi sign, mark, seal signal, signature, design, insignia, significant simil, simul like, resembling similar, assimilate, simulate, simulacrum, simultaneous sist, sta, stit stand, withstand, make up assist, insist, persist, circumstance, stamina, status, state, static, stable, stationary, substitute soci to join, companions sociable, society sol, solus alone solo, soliloquy, solitaire, solitude, solitary, isolate solv, solu, solut loosen, explain solvent, solve, absolve, resolve, soluble, solution, resolution, resolute, dissolute, absolution somn sleep insomnia, somnambulist soph wise sophomore (wise fool), philosophy, sophisticated spec, spect, spi, spic look, see specimen, specific, spectator, spectacle, aspect, speculate, inspect, respect, prospect, retrospective, introspective, expect, conspicuous sper render favorable prosper sphere ball, sphere sphere, stratosphere, hemisphere, spheroid spir breath spirit, conspire, inspire, aspire, expire, perspire, respiration stand, stant, stab, stat, stan, sti, sta, st, stead stand stature, establish, stance -ster person mobster, monster strain, strict, string, stige bind, pull, draw tight stringent, strict, restrict, constrict, restrain, boa constrictor stru, struct, stroy, stry build construe, structure, construct, instruct, obstruct, destruction, destroy, industry, ministry sub, suc, suf, sup, sur, sus under, below, from, secretly, instead of sustain, survive, support, suffice, succeed, submerge, submarine, substandard, subnormal, subvert sume, sump take, use, waste consume, assume, sump, presumption super, supra over, above superior, suprarenal, superscript, supernatural, superimpose, supercede syn, sym together, at the same time sympathy, synthesis, synchronous, syndicate tact, tang, tag, tig, ting touch tactile, contact, intact, intangible, tangible, contagious, contiguous, contingent tain, ten, tent, tin hold, keep, have retain, continue, content, tenacious tect, teg cover detect, protect, tegular, tegument tele distance, far, from afar telephone, telegraph, telegram, telescope, television, telephoto, telecast, telepathy, telepathy tem, tempo time tempo, temporary, extemporaneously, contemporary, pro tem, temporal ten, tin, tain hold tenacious, tenant, tenure, untenable, detention, retentive, content, pertinent, continent, obstinate, contain, abstain, pertain, detain tend, tent, tens stretch, strain tendency, extend, intend, contend, pretend, superintend, tender, extent, tension, pretense tera trillion terabyte, teraflop term end, boundary, limit exterminate, terminal terr, terra earth terrain, terrarium, territory, terrestrial test to bear witness testament, detest, testimony, attest, testify the, theo God, a god monotheism, polytheism, atheism, theology therm heat thermometer, theorem, thermal, thermos bottle, thermostat, hypothermia thesis, thet place, put antithesis, hypothesis, synthesis, epithet tire draw, pull attire, retire, entire tom cut atom (not cutable), appendectomy, tonsillectomy, dichotomy, anatomy tor, tors, tort twist torture, retort, extort, distort, contort, torsion, tortuous, torturous tox poison toxic, intoxicate, antitoxin tract, tra, trai, treat drag, draw, pull attract, tractor, traction, extract, retract, protract, detract, subtract, contract, intractable trans across, beyond, change transform, transoceanic, transmit, transportation, transducer tri three tripod, triangle, trinity, trilateral trib pay, bestow tribute, contribute, attribute, retribution, tributary tribute give contribute, distribute, tributary turbo disturb turbulent, disturb, turbid, turmoil typ print type, prototype, typical, typography, typewriter, typology, typify ultima last ultimate, ultimatum umber, umbraticum shadow umbra, penumbra, (take) umbrage, adumbrate un not, against, opposite unceasing, unequal uni one uniform, unilateral, universal, unity, unanimous, unite, unison, unicorn -ure Noun: act, condition, process, function exposure, conjecture, measure vac empty vacate, vacuum, evacuate, vacation, vacant, vacuous vade go evade, invader vale, vali, valu strength, worth equivalent, valiant, validity, evaluate, value, valor veh, vect to carry vector, vehicle, convection, vehement ven, vent come convene, intervene, venue, convenient, avenue, circumvent, invent, convent, venture, event, advent, prevent ver, veri true very, aver, verdict, verity, verify, verisimilitude verb, verv word verify, veracity, verbalize, verve vert, vers turn, change convert, revert, advertise, versatile, vertigo, invert, reversion, extravert, introvert, diversion, introvert, convertible, reverse, controversy vi way viable, vibrate, vibrant vic, vicis change, substitute vicarious, vicar, vicissitude vict, vinc conquer victor, evict, convict, convince, invincible vid, vis see video, evident, provide, providence, visible, revise, supervise, vista, visit, vision, review, indivisible viv, vita, vivi alive, life revive, survive, vivid, vivacious, vitality, vivisection, vital, vitamins, revitalize voc, voke call vocation, avocation, convocation, invocation, evoke, provoke, revoke, advocate, provocative, vocal vol will malevolent, benevolent, volunteer, volition volcan fire volcano, vulcanize, Vulcan volv, volt, vol turn about, roll revolve, voluble, voluminous, convolution, revolt, evolution vor eat greedily voracious, carnivorous, herbivorous, omnivorous, devour -ward Adverb: in a direction or manner homeward -wise Adverb: in the manner of, with regard to timewise, clockwise, bitwise with against withhold, without, withdraw, forthwith -y Noun: state, condition, result of an activity society, victory -y Adjective: marked by, having hungry, angry, smeary, teary zo animal zoo (zoological garden), zoology, zodiac, protozoan

English Root Words Video

Transcript

Hey, there! Welcome to this video on root words, prefixes, and suffixes.

Many of the words we speak in English are made up of Latin and Greek words, but we have added prefixes and suffixes to them. Prefixes and suffixes are known as affixes.

The original word, before you add the affixes, is known as a root word. A root word can stand on its own as a complete word. For example the word reform. Re- is the prefix, and form is the root word. Form, by itself, is still a word. A root, on the other hand, does not typically make up a complete word on its own. For example, transmit. The trans is the prefix meaning across, and mit is the root meaning “to send.” Mit, by itself, is not a complete word.

Now, let’s take a look at what prefixes and suffixes actually are.

Words can be long and difficult at times, but understanding root words and the affixes can help you to understand the meaning of those long words and make them less scary.

New words can be made by adding a prefix before or a suffix after a root or root word.

When an affix is added before the root or root word, it is called a prefix. A helpful way to remember this is by looking at the word prefix itself. Pre means “before,” and a prefix comes before the root or root word.

A prefix often changes the meaning of a word. For instance, the word usual just means that something is customary or habitual. However, when you add the prefix un-, meaning “not” or “opposite of,” to the beginning, it changes the meaning of the word. Now, we have the word unusual, which means that something is not usual, not common, or is rare. Prefixes have definitions of their own, so when we add them onto a root word or root, we have to understand that the meaning of the word has been modified.

Now, an affix that is added to the end of a root or root word is called a suffix. Unlike a prefix, a suffix typically does not change the meaning of the word, at least not in a major way. Instead, a suffix typically adds more specification. For instance, if I say that someone is tall, you think of a person who is above the average or normal height. However, when I say someone is taller, I’m letting you know that a person is tall in comparison to another person, but they may not be tall in general.

Take a look:

Mark is tall.
Mark is taller than Jeff.

The meaning of the word is still referring to the height of a person or an object, but adding the suffix has changed the specification.

A suffix can add plurality, which just means that there are more than one of something. The most popular suffixes are -s and -es. These are examples of suffixes that add plurality. I actually just did this with the word suffix. When I just say “suffix,” I am letting you know that there is only one, but when I say “suffixes,” I’ve added plurality, letting you know that there is more than one.

Words can have a prefix, root or root word, and suffix all in one.

Let’s look at the word destruction

De- is the prefix meaning “opposite.” Struct is the Latin root meaning “to build,” and -ion is the suffix meaning “act or process.” Understanding the meaning of prefixes, roots or root words, and suffixes helps us to understand the proper meaning of a word. With our definition of the prefix, root, and suffix, in the word destruction, we can see that the opposite of building is happening.

There are thousands of roots and root words out there that are used in the English language. There are fewer prefixes and suffixes combined than there are roots and root words. Practice finding the prefixes, roots and root words, and suffixes in the words you use in class and at home.

The more you practice, the easier it will be for you to understand the meaning of words that you have never even heard of.

I hope this video on prefixes, roots and root words, and suffixes was helpful for you!

See you next time!

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120 Root Words, Prefixes, and Suffixes PDF List

120 Commonly Used Roots, Prefixes, and Suffixes

The English language is filled with words borrowed from ancient Greek and Latin, which makes supplementing your instruction with word parts practice that much more critical.  There are countless ways to incorporate word parts into your lesson plans. You may already have a structured plan in place, or you might be testing the waters. Either way, teach your students to be word detectives.  A word detective looks at all the clues to determine a word’s meaning. When students know how to decode large words by identifying root words and affixes, they will be sufficiently prepared to tackle higher level texts. 

The table below lists 120 commonly used Greek and Latin root words, prefixes, and suffixes.  It also includes the meaning of each word part and several example words. It’s a great place to start if you’re interested in adding a regularly scheduled word parts practice to your daily teaching agenda. 

Word Part Meaning Example Words
ab away absent, abnormal, absorb
ab away absent, abnormal, absorb
able/ible capable of reversible, breakable, visible
ad to; toward adhere, adjoin, adapt
al having to do with herbal, factual, seasonal
amb/ambi around; both ambient, ambiguous, amble
ante before anterior, antebellum, antecedent
anthrop human anthropology, misanthrope, philanthropist
anti against antibiotic, antisocial, antifreeze
aqu water aquarium, aqueduct, aquifer
ast star astronomy, astrology, asteroid
aud hear audio, audience, auditorium
auto self autograph, automobile, autobiography
ben/bene good benefit, benign, benevolent
bi two bicycle, bilingual, bisect
bio life biology, biography, biopsy
cent hundred century, percent, centipede
chrono time chronic, chronological, chronicle
circum around circumvent, circumscribe, circumference
co/con with; together construct, collaborate, confer
counter opposing counterbalance, counterfiet, counteract
cred believe incredible, discredit, credence
cycl circle recycle, bicycle, cyclone
dec ten decade, decimal, decibel
dem/demo people democracy, demographics, epidemic
di/du two duet, dissect, dialogue
dia across; through dialogue, diameter, diagnosis
dic/dict speak; say dictionary, dictate, contradict
dis not disagree, disinfect, disobey
ence/ance state; condition performance, conference, insurance
equ equal equator, equality, equation
ex former; past ex-girlfriend, ex-president, ex-mayor
fer carry transfer, conifer, aquifer
frac/frag break fraction, fragment, fragile
ful full of thoughtful, painful, helpful
gen born gene, gender, genesis
geo earth geology, geode, geography
grad step graduation, graduate, gradual
graph write paragraph, calligraphy, autograph
hydro/hydra water hydrate, hydrogen, hydroplane
hyper over; beyond hyperactive, hyperlink, hyperventilate
ian related to; like librarian, pedestrian, historian
ic/tic having to do with realistic, organic, metallic
ile related to reptile, sterile, juvenile
in not incapable, incomplete, inaudible
inter between internet, intermission, international
intra within intrastate, intramural, intrapersonal
ism condition; belief in racism, tourism, journalism
ist person who does soloist, artist, cyclist
ity state of being creativity, disability, equality
ject throw eject, reject, interject
junct join juncture, junction, adjunct
less without homeless, useless, wireless
log word monologue, prologue, eulogy
ly how; how often quickly, hourly, carefully
magn large; great magnify, magnitude, magnificent
mal bad; evil malady, malaria, malice
man hand manicure, manage, manual
medi middle mediocre, medium, medieval
mega large megabyte, megaphone, megalith
meter measure diameter, perimeter, thermometer
micro small microscope, microwave, microbe
min small miniature, minute, minimum
mis wrong misbehave, misspell, miscount
miss/mit send missile, transmit, dismiss
mon/mono one monument, monologue, monorail
mort death immortal, mortify, mortuary
multi many multicolored, multicolored, multigrain
non not nonviolent, nonstop, nonfiction
oct/octo eight octopus, octagon, octave
ology study of biology, zoology, psychology
ortho straight orthodontist, orthopedic, orthodox
ous having virtuous, adventurous, hazardous
pan all panorama, pandemic, pantheon
para beside; related parallel, parasite, paramedic
path disease; feeling pathogen, psychopath, sympathy
ped foot pedal, pedestrian, pedometer
phobia fear claustrophobia, hydrophobia, arachnophobia
phon sound telephone, saxophone, microphone
photo light photon, photography, photosynthesis
phys body; nature physician, physical, physique
plex parts; units complex, cineplex, duplex
poly many polygon, polytheism, polygraph
port carry airport, transport, import
pos put; place position, compose, deposit
post after posterior, postscript, postpone
pre before pregame, preview, prepay
psych mind psychology, psychic, psychiatrist
quad four quadruple, quadrant, quadratic
re again rebuild, refund, renew
retro back; backwards retrospect, retroactive, retrograde
rupt break disrupt, interrupt, erupt
scope look; see periscope, telescope, microscope
script/scrib write scribble, prescribe, manuscript
sect cut section, dissect, intersect
semi half semicircle, semifinal, semicolon
sens/sent to feel sentimental, sensitive, consent
soci people sociology, social, associate
sol alone solo, solitary, desolate
spec see inspect, spectacle, spectator
spir breathe conspire, inspire, respiratory
struct build construction, structure, instruct
sub under subway, submarine, subtitle
super over; greater superior, supervisor, superimpose
syn/sym with; together sympathy, synonym, symptom
tech craft; skill technique, technology, technician
tele far television, telephone, telescope
terr/terra land; earth terrain, terrace, territory
the/theo god theology, monotheism, polytheism
therm heat thermometer, thermos, hypothermia
tion action; state of being infection, addition, celebration
tract drag; pull attract, subtract, contraction
trans across; through transform, transaction, translate
tri three tripod, tricycle, triple
un not unhappy, unhealthy, unsafe
uni one unicycle, uniform, united
vac empty vacuum, vacant, evacuate
ven come prevent, venue, invent
vert/vers turn conversation, introvert, reverse
vid/vis see visible, video, television
zoo animal zoology, zookeeper, zoo

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Prefix + Root Word + Suffix

Please note that all fields followed by an asterisk must be filled in. First Name* E-Mail Address* Country* ACTOR was formed by adding a What is the ‘root word’ in ACTOR? ACTOR was formed by changing
a verb into a noun
a noun into a verb
an adjective into a noun
PIANIST was formed by adding a What is the ‘root word’ in PIANIST? PIANIST was formed by changing
a verb into a noun
a noun into a verb
a noun into an adjective
DIFFERENCE was formed by adding a What is the ‘root word’ in DIFFERENCE? DIFFERENCE was formed by changing
a verb into a noun
a noun into a verb
an adjective into a noun
DIFFERENT was formed by adding a What is the ‘root word’ in DIFFERENT? DIFFERENT was formed by changing
a verb into a noun
a noun into a verb
a verb into an adjective
IGNORANCE was formed by adding a What is the ‘root word’ in IGNORANCE? IGNORANCE was formed by changing
a verb into a noun
a noun into a verb
and adjective into a noun
ISLAMISM was formed by adding a What is the ‘root word’ in ISLAMISM? ISLAMISM was formed by changing
a verb into a noun
a noun into a verb
a noun into another noun
FRIENDSHIP was formed by adding a What is the ‘root word’ in FRIENDSHIP? FRIENDSHIP was formed by changing
a verb into a noun
a noun into a verb
a noun into another noun
RESPONSIBLE was formed by adding a What is the ‘root word’ in RESPONSIBLE? RESPONSIBLE was formed by changing
a verb into a noun
a noun into a verb
a noun into an adjective
CAREFUL was formed by adding a What is the ‘root word’ in CAREFUL? CAREFUL was formed by changing
a verb into a noun
a noun into a verb
a verb into an adjective
HAPPILY was formed by adding a What is the ‘root word’ in HAPPILY? HAPPILY was formed by changing
a verb into a noun
a noun into a verb
an adjective into an adverb
INDIFFERENT was formed by adding a What is the ‘root word’ in INDIFFERENT? INDIFFERENT was formed by changing
a verb into a noun
a noun into a verb
a verb into an adjective
MISMATCH was formed by adding a What is the ‘root word’ in MISMATCH? MISMATCH was formed by changing
a verb into a noun
a noun into a verb
a noun into another noun
ENCOURAGE was formed by adding a What is the ‘root word’ in ENCOURAGE? ENCOURAGE was formed by changing
a verb into a noun
a noun into a verb
a noun into an adjective
BEFRIEND was formed by adding a What is the ‘root word’ in BEFRIEND? BEFRIEND was formed by changing
a verb into a noun
a noun into a verb
a noun into an adjective
BEAUTIFULLY was formed by adding a What is the ‘root word’ in BEAUTIFULLY? BEAUTIFULLY was formed by changing
a verb into a noun
a noun into a verb
an adjective into an adverb

Please enter the word that you see below.


  

The System of Affixation in English refers to the process of attaching a group of letters to a word in order to change its meaning, number, state, or form.

There are two primary types of affixation: Prefixes and Suffixes

Prefixes and Suffixes

Base word Affixation Word
determined pre + determined predetermined
play play + er player
weekly bi + weekly biweekly
follow follow + ing following

Prefix


A prefix is a small group of letters that are affixed at the beginning of the word.

  • Subsidiary
  • Nonviolence
  • Intolerance

Functions of Prefix

Indicate presence or absence

amoral without morals
injected put into
congenital present from birth

Indicate position

hypodermic under the skin
circumnavigate to sail around
antechamber a chamber before another
Interstellar between stars

Indicate qualities, size, or number

thermometer heat measuring instrument
macrocosm big world or universe
polyglot someone who speaks many languages

Indicates time, frequency, or order

post dated later than the stipulated date
redo do again
primary first

Types of Prefixes

Negative Prefixes

Prefix Meaning Usage
un- not uncomfortable, unbearable, unforgivable
in- not incomplete, indecisive, independent
dis- opposite of disinterested, disproportionate, displeasure
ir- not irresponsive, irresponsible, irrevocable
il- not illogical, illegitimate, illegible
im- not improbable, impossible, impenetrable
non- not nonviolent, nonchalant, non-invasive
mis- wrong/wrongly misinterpret, misunderstand, miscalculation
mis- hate misogynist, misogamist, misanthrope
mal- bad/ badly malfunction, malevolent, malediction, malnutrition
anti- against antinational, antibacterial, antibiotics
de- down, reduce descend, decry, deject, demote, decline
a- without, not asocial, amorphous, abiotic, atrophy
dis- apart, off, away disband, disturb, disburse, dismiss
dys- bad dystopia, dysfunctional, dyslexia

Prefixes of Size

Prefix Meaning Usage
semi- half semicircle, semiconductor, semi-active, semicolon
equi- equal equidistant, equivalent, equisonant
micro- small, tiny microscope, microorganism, microcosm, micromanage
macro- big macroeconomics, macrocosm, macrolevel
mega- big megalomaniac, megapolis, megapixel
mini- small minimum, minicomputer, miniature
maxi- big maximum, maximal, maxim
hemi- half hemisphere

Prefixes of Position or Location

Prefix Meaning Usage
inter- between interstellar, intermediate, interval, intervene
super- over, above superfluous, supersede, superintendent, supervisor
trans- across transfer, transport, transgress, transmit
ex- out exterior, external, extraneous, extract
in-/ im- inside internal, induce, imbibe, impregnate, influence
sub-, suc-, sus- under subterranean, susceptible, submit, submarine
sur- over surface, surfeit, surrender, survive, surcharge
circum- around circumspect, circumnavigate, circumscribe, circumvent
peri- around perimeter, periscope, perimortem
per- through percolate, pervade, perfect, perforated, perceive
infra- below infrared, infravision, infrarealism
ab- away abduct, abstain, abjure, abdicate
contra- against contravene, contradict, contralto, contrast
de- down descend, decline, demote, decrease
dia- across diagonal, diaphanous, diachronic, diagnosis
hyper- over hypertrophy, hyperactivity, hyperbole, hypertension
hypo- under hypothermia, hypothyroid
ob- against obloquy, obnoxious, object, obfuscate
pro- for prologue, provide, protect, project, procreate
syn-, sym- together synthesis, syndicate, sympathy
ultra- beyond ultraviolet, ultramodern, ultra-royalist, ultrasonic
under- under underground, underachiever, underestimate
meta- beyond metastasis, metabolize, metamorphic, metaphysics
mid- between midterm, middle, midday
by- near bypass, bygone, by-product
epi- upon epidermis, epilogue, epitaph
post- back postern, posterior

Prefixes of time and sequence

Prefix Meaning Usage
pre- before prevent, prepare, predict, premonition, prelude
ante- before antediluvian, antebellum
prime- first primary, primordial, prima donna, primate, primeval
post- after posterity, posthumous, postlude, post-marital
retro- before retrogression, retroflex, retrospect
pro- before progenitor, proceed, prologue, prophecy, prophylactic
re- again recur, recount, rethink
fore- before foretell, forestall, foresight
after- after after-effects, afterthought
chron- time chronology, chronicle

Prefixes of numbers and amount

Prefix Meaning Usage
mono- one monotheism, monologue, monochromatic, monarch
uni- one universe, unitary, union, unanimous, unity
bi- two bicentennial, biannual, bicycle, bigamous, bipolar
du-, di- two duo, dual, dicotyledon, dichromatic
tri- three trident, tricolor, triumvirate, trifecta, trilogy, tripod
quad- four quadruple, quadruplets, quadrilateral
tetra- four tetrapods, tetrameter
penta- five pentagram, pentacle, pentagon
quint- five quintuplets, quintal
hex- six hexagon, hexadecimal, hexameter
sex- six sextuplets, sextet
sept- seven septuagenarian, septuplets
hept- seven heptagonal, heptathlon
octa- eight octagon, October, octopus, octuplets
nov- nine novena, November
dec- ten decade, decimal, decathlon
hendeca- eleven hendecacolic, hendecagonal
dodeca- twelve dodecahedron, dodecaphony
triskaideka- thirteen triskaidekaphobia
cent- hundred century, century, centipede
hector- thousand hector, hectogram
kilo- thousand kilogram
mega- million megaton, megahertz
giga- billion gigabyte
multi- many multimillionaire, multipurpose
poly- many polynomial, polygon, polymath

Miscellaneous Prefixes

Prefix Meaning Usage
alb- white albino, albinism
ambi- both ambidextrous, ambivalent, ambiguous
amphi- both amphibian, amphitheatre
bio- life biology, biohazard, biosphere
auto- self automated, autonomous, autocrat
co-, com-, con- together, joint co-dependent, companion, congregation
en-, em- make, become engender, empower, endanger
eu- good euthanasia, eulogy, euphemism
cario- heart cardiovascular, cardiogram
hydr- water hydrogen, hydraulic, hydrophobia
ig- bad ignominy, ignoble, ignorant
bene- good benevolent, benediction, benign
bon- good bon voyage, bonhomie, bonafide
homo- same homonym, homophone, homeopathy
pan- all panacea, pan Asiatic, panorama
pseudo- fake pseudonym
neo-, nov- new neologism, novelty
amo-, ami love amorous, amicable, amiable
aqua- water aqueduct, aquatic

Suffix


A suffix is a group of letters that are fixed to the end of a root word or a base word.

Functions of Suffix

Change the part of speech of the word

meaning (n) meaningful (adj)
beautiful (adj) beautifully (adv)
subject (n) subjecting (v)

Indicate whether the number is singular or plural

girl (singular noun) girls (plural noun)
stratum (singular noun ) strata (plural noun)
lifts (singular verb) lift (plural verb)

Indicate the tense of the verb

hopped (past) hopping (continuous)
steal (past) stolen (past participle)

Indicate the gender of a noun

host (masculine) hostess (feminine)
steward (masculine) stewardess (feminine)
executor (masculine) executrix (feminine)

Types of Suffixes

Noun Suffixes

Suffix Usage Example
-al state refusal, betrayal, perusal
-ance, -ence, -ancy, -ency quality or state militancy, performance
-tion condition condition, relation
-ice condition malice, novice, justice
-er/-or doer painter, trainer, actor
-graph record telegraph, phonograph, polygraph
-ism belief Hinduism, communism, fascism
-ist doer pacifist, pianist, altruist
-ian someone who does Gandhian, guardian, politician
-ing name of an activity reading, gardening, sleeping
-ity state continuity, annuity
-logy the study geology, neurology
-ship state of friendship, kinship, sportsmanship
-sion, -tion the process of expansion, determination, connection
-ory place dormitory, reformatory, laboratory
-orium, -arium place sanitarium, aquarium, crematorium
-mania madness monomania, bibliomania, egomani
-phobia fear hydrophobia, cynophobia, mysophobia
-ure state composure, exposure, leisure
-ment state abandonment, refinement, entertainment
-ness state happiness, completeness, fullness

Suffixes of Verbs

Suffix Usage Example
-able to make enable, disable
-ate Latin origin verbs recreate, abate, mediate
-ed simple past or participle form killed, toyed, booked
-en verbs formed from adjectives broken, frozen, sunken
-er actions that have a repetitive quality blabber, snicker, mutter
-fy do magnify, specify, rectify
-ing action in continuation hearing, yearning, making
-ise to make/do revolutionise, apologise, despise
-ish become or do flourish, banish, demolish
-nt to do prevent, augment, content
-s, -es simple present tense form criticises, runs, laughs

Suffixes of Adjectives

Suffix Meaning Usage
-able, -ible having the quality of flexible, available, eatable
-al related to ventral, global, musical
-ant doing dependent, buoyant, resilient
-ic having the quality terrific, generic, specific
-esque like, having the quality statuesque, picturesque
-er, -est comparative and superlative qualities fatter, tallest
-ose full of verbose, grandiose
-ful full of beautiful, boastful, grateful
-ing participle form of an adjective interesting, frustrating, sleeping
-istic having the quality realistic, artistic, surrealistic
-ive having the nature of pensive, aggressive, massive
-ous, -ious full of gaseous, spacious, gracious

Suffixes of Adverbs

Suffix Meaning Usage
-ably with a quality comfortably, admirably, disagreeably
-ibly with a quality audibly, horribly, negligibly
-s shows time or place backwards, always, forwards
-wise shows manner or position clockwise, otherwise, lengthwise

Root Words and Base Words


The root word and the base words are the parts that contain the primary meaning of the word. Prefixes and suffixes are added to root and base words to create new words and ideas.

Root Word

  • A root word cannot stand on its own as an independent word.
  • It needs the addition of the prefix or the suffix for the completion of its meaning.
  • For example, let us consider the words amphibian, regeneration and subtraction.

amphi- -bi- -an
prefix root suffix

re- -generat- -ion
prefix root suffix

sub- -tract- -ion
prefix root suffix

  • In the above cases, the roots -bi-, -generat- and -tract- cannot stand alone as individual words.
  • They are therefore known as root words.

Base Word

  • A base word, unlike a root word, can stand on its own like an independent word.
  • It does not need the addition of a prefix or suffix in order to function as a stand-alone word.
  • For example, let us consider the words redone, nonviolent and unmoved.

re- done
prefix base word

non- violent
prefix base word

un- moved
prefix base word

In the above examples, done, violent, and moved can function as independent words.

You Asked, We Listened – List of All Grammar Chapters Updated 😍😍


Also, Read


Types of Figures of Speech

Figures of Speech

Subject Verb Agreement

Subject Verb Agreement

Degrees of Comparison

Degrees of Comparison

Time and Tense

Time and Tense

Download: This blog post is available as a convenient and portable PDF that you can take anywhere. Click here to get a copy. (Download)

In this study guide, you will learn about common prefixes and suffixes in English. You will discover how these change the meaning and form of a word. Examples are given to show you exactly how to use these prefixes and suffixes. Check out the exercises at the end to test your understanding! You can also download this guide as a free pdf to use offline. Let’s dive in!

What you will learn: 

  • Prefixes – meanings & use
  • Suffixes – common suffixes for nouns & adjectives
  • Spelling rules & word families
  • List of common prefixes & suffixes (with examples)
  • Prefixes & suffixes: exercises

Prefixes and suffixes are collectively known as ‘affixes’. Some words have both a prefix and a suffix, for example:

prefix + root word + suffix
un-comfort-able

Understanding how words are formed using prefixes and suffixes can help you work out the meaning of words and make sense of difficult spellings.
 

The most commonly-used prefixes are those that change an adjective with a positive meaning into one with a negative or opposing meaning, for example: uncomfortable. Prefixes that change the word to a negative meaning include: in-, ir-, im- and dis-. Examples formed using this type of prefix are: inactive, irregular, impossible and dishonest.

Prefix Meaning Example
anti- opposed/to prevent antidote
counter- opposite/ opposed to counterproductive
de- something is removed or reduced de-activate
dis- negative/opposite disadvantage
ex- former ex-wife
extra- outside/beyond extra-curricular
fore- before forewarn
homo- same homosexual
hyper- very/extremely hyper-sensitive
il- negative/opposite illogical
im- negative/opposite immature
in- negative/opposite inexpensive
inter- between international
ir- negative/opposite irregular
mal- bad/wrong malpractice
mid- middle midwinter
mis- bad/wrong misplace
mono- one monorail
neo- new neoclassical
non- not nondescript
omni- all omnivore
out- outside/beyond/bigger outweigh
pre- before pre-date
re- again re-arrange
semi- half semicircle
sub- under submerge
super- bigger/more powerful superhero
un- negative/opposite unbelievable
under- beneath/not enough underplay

Some groups of prefixes have very specific meanings and uses. The table below summarises the most common prefixes for metric measures, those that describe multiples of units and those indicating fractions of units.

Prefix Meaning Example
deca- ten times a unit decathlon
kilo- one thousand times a unit kilometre
mega- one million times a unit megabyte
giga- one billion units gigawatt
deci- one tenth of a unit decilitre
centi- one hundredth of a unit centimetre
milli- one thousandth of a unit millimetre
micro- one millionth of a unit (also means extremely small) micro-organism

Suffixes: common suffixes for nouns & adjectives

Suffixes enable root words to change in different ways in order to form different classes of word. For example, the root word ‘create’ can be modified to creation (noun), creative (adjective) and creatively (adverb). Different classes of words (nouns, verbs, adjectives) have their own common suffixes.

Common suffixes for adjectives Example   Common noun suffixes Example
-able / -ible adorable

terrible

-ance / -ence endurance

conscience

-ant / -ent pleasant

confident

-ant contestant
-ate passionate -dom freedom
-ful wonderful -ee employee
-ian Canadian -er / -or painter

conductor

-ic energetic -ery scenery
-ical methodical -hood neighbourhood
-ish selfish -ion election
-ive positive -ism socialism
-less pointless -ist novelist
-like business-like -ity regularity
-ous adventurous -ment improvement
-some wearisome -ness sadness
-y noisy -ship friendship
-ure closure
Adverb suffixes Examples   Verb suffixes Examples
-ly quickly -en eaten
-wise clockwise -ise energise
-ward northward  -ate alternate

Spelling rules & word families

1. Suffix spelling rules

The following rules apply to British English spelling. See also the section below on American spelling rules.

For most short words ending in a single consonant, double the consonant when adding a suffix, e.g. big/bigger. For longer words ending in ‘-l’ you should also double the consonant, e.g. travel becomes traveller. Many verbs also follow this rule, for example modelling.

For words ending in ‘-e’, the final ‘e’ is often dropped when a suffix beginning with a vowel is added. Examples include: evolve/evolving and irritate/irritable. The ‘e’ is sometimes kept to help with pronunciation, for example, in the word knowledgeable.

This same spelling pattern occurs in manageable and changeable. Some words have two alternative spellings. For example loveable and lovable are both correct spellings. Words ending in ee, oe and ye do not drop the ‘e’ when a suffix is added. Examples include seeing and canoeing.

2. American spelling

There are some differences in spelling between British and American English. Here are some common differences:

American English British English
analyze analyse
traveled/traveling travelled/travelling
defense defence
civilization civilisation
center centre
humor humour
dialog dialogue
3. Word families

“Word families” are groups of words where different suffixes have been added to the same root word. It would be very difficult to learn all the word families in English, but knowing a few common word families can help you to learn spelling patterns and common prefix and suffix meanings.

English examinations often require students to ‘transform’ words by adding the appropriate prefixes and suffixes. So, familiarising yourself with prefixes and suffixes could help with your exam skills as well as your vocabulary.

The following word families demonstrate how root words can be transformed to create different forms with similar meanings.

Verb Noun Adjective Adverb
succeed success successful successfully
specialise specialism special especially
attract attraction attractive attractively
surprise surprise surprising surprisingly
4. Hyphen or no hyphen?

In most cases where a prefix is added to a word, no hyphen (-) is used. However, hyphens can be used in some situations to make the meaning of the word clearer and to avoid confusion.

One example is where the prefix ends with the same letter that the word starts with. For example co and owner. Adding co- without a hyphen could change the pronunciation of the word and make the meaning difficult to understand. For this reason co-owner is clearer than coowner.

Confusion can also occur where the word has two meanings. For example, a remark is a spoken comment, but re-mark means to mark/assess an exam again. Using a hyphen in this situation can avoid confusion.

A hyphen is often used with a prefix before a proper noun. Examples include: un-American and anti-British. Finally, the prefixes ex-, self- and co- are often used with a hyphen.
 

Prefixes & suffixes – examples

The list below summarises commonly used prefixes and suffixes in English. Example sentences are also provided to help you understand them in context.

Prefixes examples

Anti-

antiseptic, anti-climax, antifreeze, antibiotic, antibody, anticlockwise
The atheletes ran around the track in an anticlockwise direction.
Many infections can be treated with antibiotics.

Counter-

counterpart, counterproductive, counterclaim
Putting too much pressure on young people can be counterproductive.

De-

deteriorate, derail, deactivate
The discussion deteriorated into an argument.

Dis-

dissatisfied, disappointed, disloyal, disobedient, disruptive, distrust
Jane never did what she was told. She was a disobedient child.
Rob was disappointed when he didn’t get the job.

Ex-

ex-wife, ex-teacher, ex-husband, ex-policeman
I still meet my ex-husband sometimes.
No, he wasn’t a teacher before. He’s an ex-policeman.

Extra-

extracurricular, extracellular, extraordinary
Her journey across the world was extraordinary.

Fore-

forewarn, foreground, forefathers, forecast, forego, forefront
This robotics company is at the forefront of modern technology.
The weather forecast for tomorrow is good.

Homo-

homogeneous, homophone, homosexual
Air is a homogeneous mixture.

Hyper-

hypersensitive, hyperlink, hyper-intelligent
A hyperlink connects one page to another.

Il-

illogical, illegal, illiterate, illuminate
Driving under the age of 17 is illegal in the UK.

Im-

immature, immaterial, immediately, immense, impersonal, impatient
You need to speak to the headteacher immediately.
Jamie looks sensible but he is actually quite immature.

In-

inevitable, incorrect, indifferent, indoors, ineffective, insincere
The examiner told me that some of my answers were incorrect.
Unfortunately, the cancer medicine was ineffective.

Inter-

international, intermediate, interpreter, interval, interfere, interest
My husband is working for an international company.
Maggie decided not to be a teacher; she is training to be an interpreter.

Ir-

irresponsible, irrational, irregular, irrelevant
Irregular verbs are difficult to learn!

Mal-

malpractice, malfunction, malnourished, malnutrition
I couldn’t complete the work because laser cutting machine malfunctioned. 

Mid-

mid-July, midweek, mid-September, mid-sentence
I’m going to go out for a walk midweek. 

Mis-

misunderstanding, mistrust, misuse, misspell, misrepresent, mispronounce
We didn’t fall out – it was just a misunderstanding.
The newspaper report misrepresented what I said! 

Mono-

monorail, monotone, monochrome, monotonous, monosyllable, monopoly
That song has a boring tune; it’s monotonous.
A monorail has just one rail. 

Neo-

neonatal, neoclassical, Neolithic
Yes, that museum is a neoclassical building.

Non- (note the prefix ‘non’ is usually used with a hyphen)

non-event, non-stop, non-smoking, non-alcoholic, non-member, non-resident
Sorry, this is a non-smoking building.
Non-residents are welcome in the restaurant.

Omni-

omnivore, omnipresent
An omnivore eats plants and animals. 

Out-

outbreak, outgrow, outrun, outweigh, outbuilding, outspoken
He has outgrown all his baby clothes now.
Overall, the advantages outweigh the disadvantages.

Pre-

pre-war, pre-recorded, pre-pay, pre-set, pre-tax
She has a pre-recorded message on her phone.
You can pre-pay for your dental treatment.

Re-

replay, rerun, re-record, re-write
She had to re-write her essay to get a higher grade.
The football match last weekend was a replay.

Semi-

semicircle, semi-darkness, semi-detached, semi-literate, semi-professional
They left the restaurant in semi-darkness.
Mary is a great tennis player. She is semi-professional.

Sub-

subtropical, subsection, sub-zero, subnormal, subsoil
They had to cope with sub-zero temperatures.
Much of North Africa has a sub-tropical climate.

Super-

supermarket, supernatural, super-tanker, super-rich, supervisor
Supermarkets have a greater range of products than local shops.
John has been my supervisor for the past year.

Un-

unbelievable, unkind, unusual, unable, uncomfortable, uncanny
My new shoes are uncomfortable.
That film was unbelievable!

Under-

underplay, underwear, under-valued, under-rated, under-paid
He was an under-rated actor.
I’m not selling that vase. I think it has been under-valued.

Suffixes examples

-able

unbelievable, comfortable, washable, likeable, knowledgeable, fashionable (adjectives)
Do you prefer fashionable or comfortable clothes?
Professor Smith is very knowledgeable about insects.

-ance

performance, allowance, disturbance, appearance, brilliance (nouns)
Tom is given a weekly allowance by his parents.
The police were called to a disturbance in the street.

-ant

pleasant, brilliant, disinfectant, servant, assistant, (nouns and adjectives)
We had a brilliant holiday in Spain.
He decided to employ an assistant.

-ate

activate, affectionate, regulate, electorate, mediate, fortunate (nouns and adjectives)
You can activate your PayPal account now.
His dog is well-behaved and affectionate.

-dom

freedom, kingdom, boredom (nouns)
Freedom of choice means you have more opportunity to make decisions.

-ence

presence, existence, occurrence, permanence (nouns)
I could feel a ghostly presence when I went into the room!
Most people dispute the existence of ghosts.

-ent

different, resident, president (nouns and adjectives)
She has been a resident in this area for many years.

-er

carpenter, painter, hotter, bigger, diner, photographer (nouns and adjectives)
He is training to be a painter.
She would love to be a photographer.

-ery

bravery, machinery, bakery, flattery (nouns)
You can buy bread at the bakery.
The fireman was praised for his bravery.

-ful

beautiful, wonderful, colourful, eventful, restful, careful (adjectives)
It was an eventful day.
I hope you have a wonderful holiday!

-hood

neighbourhood, childhood, priesthood (nouns)
This is a very quiet neighbourhood.

-ible

terrible, horrible, visible, edible (adjectives)
Is that plant edible?
Our house is visible from the road.

-ic

photographic, alcoholic, supersonic (adjectives)
SpaceX is planning to launch a supersonic plane.
The local pub serves alcoholic and non-alcoholic drinks.

-ical

historical, identical, satirical (adjectives)
John and Steve are identical twins.

-ion

decision, promotion, completion, election, exhaustion, deception (nouns)
The results of the election will be announced tomorrow.
She made an important decision today.

-ism

Cubism, socialism, criticism, heroism (nouns)
Cubism was one of the most influential art movements of the twentieth century.

-ish

childish, selfish, reddish, snobbish, Spanish, English (adjectives)
She looks grown-up but she is a little childish.
He has reddish hair.

-ist

socialist, novelist, guitarist, pianist, sexist, racist
She is a brilliant guitarist.
Sexism and racism are not to be tolerated in schools.

-ity

creativity, popularity, regularity, sexuality, eventuality, familiarity (nouns)
Her strength is her creativity.
Jenny carefully planned her trip to allow for any eventuality.

-ive

creative, positive, negative, transitive, explosive, detective (nouns and adjectives)
My brother-in-law is working as a private detective.
My mother is a creative person.

-less

careless, ruthless, pointless, meaningless, tasteless, powerless (adjectives)
It was a careless mistake.
Sorry, but this soup is tasteless.

-ment

permanent, government, employment, arrangement, management (nouns and adjectives)
She is really pleased that she now has a permanent job.
Have you got any management experience?

ness

shyness, loudness, sadness, loneliness (nouns)
He had to try hard to overcome his shyness.
Loneliness can be a big problem for older people.

-ous

adventurous, pretentious, cautious, dangerous, spacious (adjectives)
Her new flat is very spacious.
She is really adventurous. She often travels to faraway places.

-ship

friendship, hardship, fellowship, premiership, citizenship (nouns)
He has kept his friendship with Tony going for 20 years.
They suffered a lot of hardship when they first arrived in the country.

-some

troublesome, bothersome, loathsome (adjectives)
Wasps can be troublesome in late summer.

-ure

closure, fracture, measure, exposure, failure (nouns)
He said the marriage broke down due to a failure to communicate openly.
She was disappointed about the closure of the business.

-y

funny, scary, wintry, feathery, scaly, messy
My room is always messy!
It was a beautiful wintry scene on Christmas Day.
 

Prefixes & suffixes: exercises

  1. What is the effect of adding a prefix to an adjective?
    a. It makes the adjective negative.
    b. It changes the ending of the adjective.
    c. It changes the form of the word.
    d. It changes the meaning of the adjective.
  2. Which suffix is not an adjective suffix?
    a. -able
    b. -ion
    c. -ive
    d. -ful
  3. What is the meaning or the prefix pre-?
    a. before
    b. not
    c. under
    d. after
  4. Which word is spelled incorrectly?
    a. knowledgeable
    b. disatisfied
    c. uncreative
    d. immature
  5. Which of the following adjectives does not have a negative meaning?
    a. extraordinary
    b. unhelpful
    c. disappointed
    d. unimaginative

Questions 6-10. Match the prefix with the word.

  1. Tom never waits for me. He is very ___patient.
    a. un-      b. im-       c. il-
  2. The table did not cost much. It was ___expensive.
    a.
    in-     b. non-     c. un-
  3. The President was ___elected.
    a.
    re-     b. non-     c. un-
  4. The workers are not really appreciated. A lot of them are ___paid.
    a.
    over-     b. non-     c. under-
  5. The court found that the company funds were ___used. The director was arrested.
    a. non-     b. mis-     c. de-
  6. Which sentence has a positive meaning?
    a. She was unsuccessful in the interview.
    b. She was over-joyed at the news.
    c. The competition was an anti-climax.
    d. She felt dissatisfied.
  7. Which sentence includes an American spelling?
    a. Travelling is one of my favourite pastimes.
    b. It was a colourful painting.
    c. The company introduced computerization in the 1990s.
    d. I have to get a new driving license.
  8. In which of the following words can a hyphen (-) be used?
    a. de-activate         b. dis-appointed         c. un-popular       d. in-complete
  9. Which suffix correctly changes the adjective regular into a noun?
    a. -ness       b. -ity        c. -ment       d. ion
  10. The prefix mis- cannot occur before which of the following verbs?
    a. interpret
    b. understand
    c. survive
    d. inform
  11. Which one of the following words is incorrect?
    a. anti-climax
    b. antibiotics
    c. antisuccessful
    d. anticlockwise
  12. Which word in this word family is an adverb?
    a. success
    b. successful
    c. succeed
    d. successfully
  13. Which of the following measures indicates that it is one thousandth of a unit?
    a. centimetre
    b. kilometre
    c. millimetre
  14. Which one of the following verbs cannot be transformed into a noun using the suffix-ance?
    a. tolerate
    b. persevere
    c. accept
    d. notice
  15. The prefix in- can be added to which one of the following adjectives?
    a. costly
    b. expensive
    c. dear
    d. pricy
Answers:
    1. d. It changes the meaning of the adjective.
    2. b. ion
    3. a. before
    4. b. dissatisfied
    5. a. extraordinary
    6. b. impatient
    7. a. inexpensive
    8. a. re-elected
    9. c. under-paid
    10. b. mis-used
  1. b. She was over-joyed at the news.
  2. c. The company introduced computerization in the 1990s.
  3. a. de-activate
  4. b. regularity
  5. c. survive
  6. c.
  7. d. successfully
  8. c. millimetre
  9. d. notice
  10. b. inexpensive

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Judith P.
— ESL Tutor.

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Syllable Rules   >>   Prefix    Root Word    Suffix

What is a prefix?

  • One or more letters that are placed in front of a word to form a new word with a similar meaning.
    • examplesredo, preview, unhappy, iPhone, & abnormal
  • A prefix is usually not a word by itself.

Cite This Source

Syllable Rules   >>   Prefix    Root Word    Suffix

What is a root word?

  • The base word which is combined with a suffix and/or prefix to form a a new word.
  • The word which is left when all prefixes and suffixes are removed.
    • examples:  rechecked, preboarding, unchanged, untouched, & unanswered

Fun Fact

Spain, France, Greece, & Chad
4 countries, 1 syllable each

Syllable Rules   >>   Prefix    Root Word    Suffix

What is a suffix?

  • One or more letters that are placed at the end of a word to form a new word with a similar meaning.
    • examples:  ended, dryer, dancer, talking, & sleeping
  • A suffix is usually not a word by itself.
  • Words can have more than one suffix.
    • examples:  cheerfulness, carefully, grudgingly, & annoyances

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