Greek and latin word roots in english

LIST OF GREEK/LATIN ROOTS IN ENGLISH

Alphabetical List of GREEK/LATIN roots, stems,
& prefixes commonly used in English

A
SR	ROOTS	MEANINGS	ORIGIN (LANGUAG)	EXAMPLES (ENG)
1	ab:-, a:-, abs:-		–LATIN–	abnormal, abrasion, absent, abstain, abstract, aversion
2	ac:-	sharp / pointed	–LATIN–	Acupuncture
3	acerb:-	sharp, bitter, sour	-LATIN–	acerbic, exacerbate
4	acid:-	sour or acid	-LATIN–	acidosis
5	acr:-	height, summit, tip	-GREEK–	acrobatics, acromegaly, acronym, acrophobia
6	acr:-	bitter, pungent, sharp, sour	–LATIN–	acer, acris acrid, acrimony
7	acu:-	sharp	–LATIN–	acupuncture, acute, acutifoliate
8	ad:-, a:-, ac:-, af:-, ag:-, al:-, ap:-, ar:-, as:-,	atmovement to or toward; in addition to	–LATIN–	accept, adapt, affect, approximate, ascend
9	adip:-	fat	–LATIN–	adipose
10	aer:-	air, atmosphere	–GREEK–	aeronautics, aerosol
11	aesthet:-	feeling, sensation	–GREEK–	aesthetics, anaesthetic
12	agr:-	field	–GREEK–	agronomy
13	agri:-, egri:-	field	–LATIN–	agriculture, peregrine
14	alb:-	dull white	–LATIN–	albedo, albino, albumen
15	am:-, amat:-, amor:-	love, loved	–LATIN–	amateur, amorous
16	ambi:-	both, on both sides	–LATIN–	ambidexterity, ambivalent
17	amic:-, :-imic:-	friend	–LATIN–	amicable, inimical
18	amph:-, amphi:-	around, about, both,  on both sides of, both kinds	–GREEK–	amphibian, amphibolic, amphoterism
19	ampl:-	ample, abundant, bountiful	–LATIN–	amplification
20	an:-, a:-	not, without	–GREEK–	anhydrous, atypical
21	ana:-, an:-	again, against, back, up	–GREEK–	anabaptist, anaphylaxis, anion, anode
22	andr:-	male, masculine	–GREEK–	androgen, android
23	anem:-	wind	–GREEK–	anemometer
24	anim:-	breath	–LATIN–	animal, animation
25	ann:-, :-enn:-	year, yearly	–LATIN–	anniversary, annual, biannual, millennium
26	ant:-, anti:-	against, opposed to, preventive	–GREEK–	antagonist, antibiotic, antipodes
27	ante:-, anti:-	before, in front of, prior to	–LATIN–	antebellum, antediluvian, anticipate, antiquarian
28	anth:-	flower	–GREEK–	anther, anthology
29	anthrop:-	human	–GREEK–	anthropology, anthropomorphic
30	ap:-, apo:-	away from, separate, at the farthest point	–GREEK–	apocrine, apogee, apostasy
31	aqu:-	water	–LATIN–	aquamarine, aquarium, aqueduct, aquifer
32	ar:-	plow, till	–LATIN–	arable
33	ar:-	be dry	–LATIN–	arid
34	arche:-, archi:-	ruler	–GREEK–	archangel, archetype
35	archae:-, arche:-	ancient	–GREEK–	archaeology or archeology, archaic
36	arct:-	relating to the North Pole or the region near it; relating to cold; used as the scientific name of some bear species, e.g. Ursus arctos horribilis	–GREEK–	Arctic Ocean
37	argent:-	silver	–LATIN–	argent, Argentina
38	arist:-	excellence	–GREEK–	aristocracy
39	arthr:-	joint	–GREEK–	arthropod
40	astr:-	star, star:-shaped	–GREEK–	asterisk, astrology, astronomy, disaster
41	athl:-	prize	–GREEK–	athlete, pentathlon
42	audi:-	hearing, listening, sound	–LATIN–	audible, auditorium, auditory
43	aug:-, auct:-	grow, increase	–LATIN–	augend, augmentation
44	aur:-	relating to gold, or gold:-colored	–LATIN–	aureate, aureole
45	auri:-	relating to the ear	–LATIN–	auricle
46	aut:-, auto:-	self; directed from within	–GREEK–	autograph, automobile, autonomy
47	avi:-	bird	–LATIN–	aviary, aviation
48	axi:-	axis	–LATIN–	axisymmetry
49	axio:-	merit	–GREEK–	axiology
B
50	bac:-	rod:-shaped	–LATIN–	bacilla, bacteria
51	bar:-	weight, pressure	–GREEK–	barograph, barometer
52	basi:-	at the bottom	–GREEK–	basic, basis
53	bathy:-, batho:-	deep, depth	–GREEK–	batholith, bathyscaphe
54	be:-, beat:-	bless	–LATIN–	beatification
55	bell:-	war	–LATIN–	antebellum, bellicose, belligerent
56	ben:-	good, well	–LATIN–	benefit, benignity
57	bi:-	two	–LATIN–	binary, binoculars, bigamy, biscotti
58	bib:-	drink	–LATIN–	imbibe
59	bibl:-	book	–GREEK–	bible, bibliography
60	bio:-	life	–GREEK–	biography, biology, biologist, biosphere, bioluminescent
61	blenn:-	slime	–GREEK–	blennophobia, blennosperma
62	blast:-	germ, embryo, bud, cell with nucleus	–GREEK–	blastula, fibroblast, osteoblast, sideroblast
63	bon:-	good	–LATIN– (bonus)	bonify, bonitary
64	bor:-	north	–GREEK– / –LATIN–	borealis
65	botan:-	plant	–GREEK–	botany
66	bov:-	cow, ox	–LATIN–	bovine
67	brachi:-	arm	–GREEK–	brachial artery, brachiosaurus
68	brachy:-	short	–GREEK–	brachydactyly
69	brady:-	slow	–GREEK–	bradycardia
70	branchi:-	gill	–GREEK–	branchiopod, nudibranch
71	brev(i):-	brief, short (time)	–LATIN–	abbreviation, brevity
72	briz:-	nod, slumber	–GREEK–
73	brom:-	oats	–GREEK–	Bromus ramosus
74	brom:-	stench	–GREEK–	bromide
75	bronch:-	windpipe	–GREEK–	bronchitis, bronchus, bronchiole
76	bront:-	thunder	–GREEK–	Brontosaurus
77	bucc:-	cheek, mouth, cavity	–LATIN–	buccinator muscle
78	bulb-	bulbous	–LATIN–	bulbous, bulbule
79	bull-	bubble, flask	–LATIN–	ebullient, ebullism
80	burs:-	pouch, purse	–LATIN–	bursar, bursary, disburse
C
81	cac:-	bad	–GREEK–	cacophony
82	cad:-, :-cid:-, cas:-	fall	–LATIN–	accident, cadence, case
83	caed:-, :-cid:-, caes:-, :-cis	cut	–LATIN–	caedere, caesus caesura, incisor
84	calc:-	stone	–LATIN– &-GREEK–	calcite, calcium, calculus
85	call:-, calli:-	beautiful	–GREEK–	calligraphy
86	calor:-	heat	–LATIN–	Calorie
87	calyp:-	cover	–GREEK–	Apocalypse
88	camer:-	vault	–LATIN–	bicameral, camera
89	camp:-	field	–LATIN–	champion, campaign
90	can:-	dog	–LATIN– canis	canine, Canis Major
91	can:-, :-cin:-, cant:-	sing	–LATIN–	Cantata, cantor, canto
92	cap:-, :-cip:-, capt:-, :- cept	take ,hold,	–LATIN–	capture, captive, conception, recipient
93	capit:-, cipit:-	head	–LATIN–	capital, decapitation, precipitation
94	capr:-	goat	–LATIN–	caper, capri Capricorn, caprine
95	caps:-	box, case	–LATIN–	capsule
96	carbo:-	coal	–LATIN–	carbonis carbon
97	carcer:-	jail	–LATIN–	incarceration
98	carcin:-	cancer (disease)	–LATIN– –GREEK–	carcinoma
99	cardi:-	relating to the heart	–GREEK–	cardiograph, cardiology
100	cardin:-	hinge	–LATIN–	cardo, cardinis cardinal

1. carn:- flesh –LATIN– caro, carnis
   carnal, carnival, carnivore
2. carp:- relating to fruit –GREEK–
   καρπός (karpos) “fruit“ carpology
3. carp:- relating to the wrist –GREEK–
   καρπός (karpos) “wrist“ carpal, carpal tunnel syndrome
4. cast:- pure –LATIN– from –LATIN–
   castus “chaste“ caste, castigate, castrate
5. cata:-, cat:- down –GREEK–
   from –GREEK– κατά (katá) “down“ catabolic,
   catalyst, catastrophe, catatonia, cathode, cation
6. caten:- chain –LATIN– catena
   catenary, concatenation
7. cathar:- pure –GREEK– καθαρός
   (katharos) catharsis
8. caud:- tail –LATIN– cauda caudal
9. caus:-, :-cus:-
   cause or motive –LATIN– causa causative
10. cav:- hollow –LATIN– cavus “hollow“
    cave, cavity, excavation
11. ced:-, cess:- go –LATIN–
    cedere, cessus procession, recede, secede
12. celer:- quick –LATIN– celer,
    celerare acceleration, celerity
13. cen:- new –GREEK– καινός (kainos)
    Cenozoic
14. cen:- empty –GREEK– κενός (kenos)
    cenotaph
15. cens:- –LATIN– censere “to
    estimate“ census
16. cent:- hundred –LATIN– centum
    cent, centennial, centurion
17. centen:- hundred each –LATIN–
    centeni centenary
18. centesim:- hundredth –LATIN–
    centesimus centesimal, centesimation
19. centr:- center –GREEK– κέντρον
    (kéntron) “needle“, “spur“
    eccentric
20. cephal:- head –GREEK– κεφαλή
    (kephale) cephalic, cephalopod, encephalogram
21. ceram:- clay –GREEK– κέραμος
    (keramos) ceramic
22. cerat:- horn –GREEK– κέρας,
    κέρατος (keras, keratos) “horn“ keratin
23. cern:- sift –LATIN– cernere
    discern, secern
24. cervic:- relating to the neck, relating
    to the cervix –LATIN– cervix, cervicis “neck“
    cervix, cervical
25. ceter:- other –LATIN– ceterus et
    cetera
26. chir:- of the hand or hands –GREEK–
    χείρ (kheir) “hand“ chiral, chiropractic, chiroptera
27. chelon:- relating to a turtle –GREEK–
    χελώνη (khelōne) “tortoise“ chelonia
28. chlor:- green –GREEK– χλωρός
    (khlōros) “green“ chlorine, chlorophyll, chloroplast
29. chore:- relating to dance –GREEK–
    χορεία khoreia “dancing in unison“ from χορός khoros “chorus“
    choreography
30. chord:- cord –LATIN– and –GREEK–
    chorda “rope“ from χορδή (chordē) chordata chrom:-
    color –GREEK– χρῶμα (chrōma) “color“ chromium,
    chromosome, monochrome
31. chron:- time –GREEK– χρόνος
    (chronos) chronic, chronology, chronometer
32. chrys:- gold –GREEK– χρυσός
    (khrusos) “gold“ chrysolite
33. cili:- eyelash –LATIN– cilium
    cilia, supercilious
34. cine:- motion –GREEK– κινέω
    (kineō) cinema
35. ciner:- ash –LATIN– cinis,
    cineris incineration
36. cing:-, cinct:- gird –LATIN–
    cingere, cinctus succinct
37. circ:- circle –LATIN– circus
    circus
38. circum:- around –LATIN– circum
    circumcise, circumference, circumlocution, circumnavigate
39. cirr:- orange –GREEK– κιρρός
    (kirros) cirrhosis
40. cirr:- curl, tentacle –LATIN–
    cirrus cirrus
41. civ:- citizen –LATIN– civis
    civility
42. clad:- branch –GREEK– κλάδος
    (klados) clade
43. clar:- clear –LATIN– clarus,
    clarare clarity, declaration
44. clast:- broken –GREEK– κλαστός
    (klastos) iconoclast, osteoclast
45. claud:-, :-clud:-,
    claus:-, :-clusclose –LATIN– claudere,
    clausus clause, exclusion, include
46. clav:- key –GREEK– from –GREEK–
    κλείς kleis “key“ from κλείειν, (kleiein) “to
    close“ clavichord, clavicle, conclave
47. cl(e)ist:- closed –GREEK–
    κλειστός (kleistos)
48. cleithr:- bar, key –GREEK–
    cleithrum
49. clement:- mild –LATIN– clemens,
    clementis clemency, inclement
50. clin:- bed, lean, recline –LATIN–
    :-clinare declination, inclined
51. cochl:- shell –GREEK– κόχλος
    (kochlos) cochlea
52. coel:- hollow –GREEK– κοῖλος
    (koilos) blastocoel, coelom, spongocoel
53. cogn:- know –LATIN– cognoscere
    cognitive, cognizant, recognize
54. col:- strain –LATIN– colare,
    colum colander
55. coll:- hill –LATIN– collis coll:-
    neck –LATIN– collum collar
56. color:- color –LATIN– color
    coloration, coloratura, tricolor
57. con:-, co:-, col:-,
    com:-, cor with, together –LATIN– cum coagulate, collide,
    compress, connect, contain, corrode
58. con:- cone –GREEK– κῶνος (kōnos)
    conic, conical, conoid
59. condi:- season –LATIN– condire
    condiment
60. contra:- against –LATIN– contra
    contradiction, contrast
61. copr:- dung –GREEK– κόπρος
    (kopros) coprolite, coprophagia, coprophilia
62. corac:- raven –GREEK– κόραξ,
    κόρακος (korax, korakos) coracoid
63. cord:- heart –LATIN– cor, cordis
    accord, cordial
64. corn:- horn –LATIN– cornu cornea,
    cornucopia, unicorn
65. coron:- crown –LATIN– corona,
    coronare corona, coronation
66. corpor:- body –LATIN– corpus,
    corporis corporation, corpse, corpuscle
67. cortic:- bark –LATIN– cortex,
    corticis corticosteriod
68. cosm:- universe –GREEK– κόσμος
    (kosmos) cosmic, cosmonaut
69. cosmet:- –GREEK– κοσμητ:-
    (kosmet:-) cosmetics, cosmetology
70. cost:- rib –LATIN– costa costal
71. cotyl:- cup –GREEK–
    κοτύλη (kotulē) cotyledon
72. :-cracy, :-crat
    government, rule, authority –GREEK– κράτος (kratos) democracy
73. crani:- skull –GREEK– κρανίον
    (kranion) cranium
74. crass:- thick –LATIN– crassus
    crassitude
75. cre:- make –LATIN– creare,
    creatus creation, creature
76. cred:- believe, trust –LATIN–
    credere, creditus credentials, credibility, creditor, incredible
77. crep:- boot, shoe –GREEK– κρηπίς,
    κρηπίδος (krēpis, krēpidos)
78. cribr:- sieve –LATIN– cribrum,
    cribrare cribble, cribrate ring –GREEK– κρίκος (krikos)
79. cris:-, crit:- judge –GREEK–
    κρίσις (crisis) crisis, critic
80. crisp:- curled –LATIN– crispus
    crispate
81. crist:- crest –LATIN– crista
    cristate
82. cross:- fringe, tassel –GREEK–
    κροσσός (krossos)
83. cruc:- cross –LATIN– crux, crucis
    crucial, crucifix, crucify, excruciating
84. crur:- leg, shank –LATIN– crus, cruris
    crural
85. crypt:- hidden –GREEK– κρυπτός
    (kruptos) cryptic, cryptography
86. cten:- comb –GREEK– κτείς, κτενός
    (kteis, ktenos) ctenophore
87. cub:- cube –GREEK– κύβος (kubos)
    cubic, cuboid
88. cub:- lie –LATIN– cubare
    incubation, succuba
89. culin:- kitchen –LATIN– culina
    culinary
90. culp:- blame, fault –LATIN– culpa
    culpable, exculpate
91. cune:- wedge –LATIN– cuneus
    cuneiform
92. curr:-, curs:- run –LATIN–
    currere, cursus concurrent, current, cursive, recursion
93. curv:- bent –LATIN– curvus
    curvature
94. cuspid:- lance, point –LATIN–
    cuspis, cuspidis bicuspid
95. cut:- skin –LATIN– cutis cuticle
96. cyan:- blue –GREEK– κυανός
    (kuanos) cyanide
97. cycl:- circular –GREEK– κύκλος
    (kuklos) bicycle, cycle, cyclone
98. cylind:- roll –GREEK– κύλινδρος
    (kulindros) cylinder
99. cyn:- dog –GREEK– κύων, κυνός
    (kuōn, kunos) cynosure
100. cyst:- capsule –GREEK– κύστις
     (kustis) cystic
101. cyt:- cell –GREEK– κύτος (kutos)
     cytoplasm, cnidocyte

D

• dactyl:- finger, toe, digit –GREEK–
  δάκτυλος (daktulos) dactylology, pterodactyl
• damn:-, :-demn:-
  to inflict loss upon –LATIN– damnāre condemn, damnation
• de:- from, away from, removing, down –LATIN–
  dē deletion, dementia, descend
• deb:- owe –LATIN– debere, debitus
  debit
• deca:-, dec:-, deka:-,
  dekten –GREEK– δέκα deka, ten decagram, decahedron
• decim:- tenth part –LATIN–
  decimus, tenth; from decem, ten decimal, decimate
• delt:- –GREEK– δέλτα (delta)
  deltoid
• dem:- people –GREEK– δῆμος
  (dēmos) demagogue, democracy
• den:- ten each –LATIN– deni
  denarius, denary
• dendr:- resembling a tree –GREEK–
  δένδρον (dendron): akin to δρύς, drys, “tree“ dendrite,
  dendrochronology
• dens:- thick –LATIN– densus
  condense, density
• dent:- tooth –LATIN–
  dens, dentis dental, dentifrice, dentures
• derm:- skin –GREEK– δέρμα (derma)
  dermis, epidermis, hypodermic
• deuter:- second –GREEK– δεύτερος
  (deuteros) Deuteronomy, deuterostome
• dexter:- right –LATIN– dexter
  dexterity, dextrose
• dexi:- right –GREEK– δεξιός,
  right Dexiarchia
• di:- two –GREEK– δι:-
  dicot, diode, dipole
• dia:- apart, through –GREEK– διά
  (dia) dialysis, diameter, diagram
• dict:- say, speak –LATIN– dicere,
  dictus contradict, dictate, dictation, dictionary, edict, predict
• digit:- finger –LATIN– digitus
  digital
• dino:- terrible, fearfully great –GREEK–
  δεινός (deinos) dinosaur
• dipl:- double; twofold –GREEK–
  διπλός (diplos) diploid, diplosis doc:-,
• doct:- teach –LATIN– docere,
  doctus docile, doctor, indoctrinate
• dodec:- twelve –GREEK– δώδεκα
  (dodeka) dodecasyllabic dogmat:-,
• dox:- opinion, tenet –GREEK– δόξα
  dogmatic, orthodox
• dom:- house –LATIN– domus dome
• don:- give –LATIN– donare
  condone, donation
• dorm:- sleep –LATIN– dormire
  dormant, dormitory
• dors:- back –LATIN– dorsum dorsal
• du:- two –LATIN– duo dual
• dub:- doubtful –LATIN– dubius
  dubious
• duc:-, duct:- lead –LATIN–
  dux, ducis abduction, conductor, introduction, production, reduction, deduction
• dulc:- sweet –LATIN–
  dulcis dulcet
• dur:- hard –LATIN–
  durus durable, duration, duress, endure, obdurate
• dy:- two –GREEK–
  δυο (duo) dyad
• dynam:- power –GREEK–
  δύναμη (dunamē) dynamism, dynasty, dynamite
• dys:- badly, ill –GREEK–
  δυσ:- dysentery, dysplasia, dystrophy

E

•  ec:- out –GREEK– ἐκ (ek)
  eccentric
• eco:- house –GREEK–
  οἶκος (oikos) ecology, economics, ecumenism
• ecto:- outside –GREEK–
  ἐκτός (ektos) ectoderm
• ed:-, es:-
  eat –LATIN– edere, esus edible
• ego:- self, I (first
  person) –LATIN-, –GREEK– ego, ἐγώ egocentric
• ego:-, eg:-
  goat –GREEK– αἴξ (aix) egophony
• em:-, empt:-
  buy –LATIN– emere, emptus exemption, preempt, redeem
• eme:- vomit –GREEK–
  ἔμετος (emetos) emetic
• emul:- striving to
  equal, rivaling –LATIN– aemulus, aemulare emulator
• en:-, em:-
  in –GREEK– ἐν (en) emphasis
• endo:- inside –GREEK–
  ἔνδον (endon) endocrine, endocytosis
• engy:- narrow –GREEK–
  ἐγγύς (engys)
• ennea:- nine –GREEK–
  ἐννέα (ennea) ennead, enneagon
• ens:- sword –LATIN–
  ensis
• eo:-, eos:-,
  eoso:- dawn, east –GREEK– Ἠώς/Ἕως Eocene
• ep:-, epi:-
  upon –GREEK– ἐπί (epi) epicenter, epitaph, epoch
• epistem:- knowledge or
  science –GREEK– ἐπιστήμη (epistēmē) epistemic
• equ:-, :-iqu:-
  even, level –LATIN– aequus equal, equivalence
• equ:- horse –LATIN–
  equus equestrian
• erg:- work –GREEK–
  έργον (ergon) ergonomics
• err:- stray –LATIN–
  errare aberration, errant
• erythr:- red –GREEK–
  ἐρυθρός (eruthros) erythrocyte
• eso:- within –GREEK–
  ἔσω (esō) esoteric
• etho:-, eth:-,
  ethi:- custom, habit –GREEK– ἦθος (ēthos) ethology
• ethm:- sieve –GREEK–
  ἠθμός (hethmos); ἤθειν (hethein) ethmoid
• ethn:- people, race,
  tribe, nation –GREEK– ἔθνος (ethnos) ethnarch, ethnic
• etym:- true –GREEK–
  ἔτυμος (etumos) etymology
• eu:- well, good –GREEK–
  εὖ (eu) euphoria, euthanasia
• eur:- wide –GREEK–
  εὐρύς (eurus) Europe
• ex:-, e:-,
  ef:- from, out –LATIN– ex exclude, extend, extrude
• exo:- outside –GREEK–
  ἔξω (eksō) exoskeleton, exothermic
• exter:-, extra:-
  outer –LATIN– externus exterior
• extrem:- outermost,
  utmost –LATIN– extremus extremity, extremophile

F

• f:-, fat:-
  say, speak –LATIN– fari, fatus fate, infant, preface
• fab:- bean –LATIN–
  faba faba bean
• fac:-, :-fic:-,
  fact, :-fect:- make –LATIN– facere, factus
  defect, factory, manufacture
• falc:- sickle –LATIN–
  falx, falcis falciform
• fall:-, :-fell:-,
  fals:- deceive –LATIN– fallere, falsus falsity,
  infallibility
• fallac:- false –LATIN–
  fallax, fallacis fallacy
• famili:- a close attendant
  –LATIN– famulus familiarity
• fant:- to show –GREEK–
  φαντάζω fantasy
• fasc:- bundle –LATIN–
  fascis fasciculation, fascism
• fatu:- foolish, useless
  –LATIN– fatuus fatuous, infatuation
• feder:- treaty,
  agreement, contract, league, pact –LATIN– foedus, foederis
  confederation, federal
• fel:- cat –LATIN–
  feles, felis Felinae, feline
• felic:- happy, merry –LATIN–
  felix, felicis felicity
• fell:- suck –LATIN–
  fellare fellation
• femin:- women, female –LATIN–
  femina femininity
• femor:- thigh –LATIN–
  femur, femoris femoral
• fend:-, fens:-
  strike –LATIN– fendere,
• :-fensus defend, offense fenestr
• :- window –LATIN– fenestra
  defenestration
• fer:- carry –LATIN–
  ferre reference, transfer
• feroc:- fierce –LATIN–
  ferox, ferocis ferocity
• ferr:- iron –LATIN–
  ferrum ferrous
• fet:- stink –LATIN–
  fetere fetid, fetor
• fic:- fig –LATIN–
  ficus Ficus
• fid:-, fis:-
  faith, trust –LATIN– fides, fidere, fisus confidence, fidelity
• fil:- thread –LATIN–
  filum filament
• fili:- son –LATIN–
  filius affiliation
• fin:- end –LATIN–
  finis finish, final
• find:-, fiss:-
  split –LATIN– findere, fissus fission, fissures
• firm:- fix, settle –LATIN–
  firmus, firmare confirmation, firmament
• fistul:- hollow, tube –LATIN–
  fistula
• fl:- blow –LATIN–
  flare, flatus flatulence, inflation, insufflation
• flacc:- flabby –LATIN–
  flaccus, flaccere flaccid
• flav:- yellow –LATIN–
  flavus flavonoid
• flect:-, flex:-
  bend –LATIN– flectere, flexus flexible, flexile, flexor, inflection
• flig:-, flict:-
  strike –LATIN– fligere, flictus conflict, inflict
• flor:- flower –LATIN–
  flos, floris floral, florid
• flu:-, flux:-
  flow –LATIN– fluere, fluxus effluent, fluency, influx
• foc:- hearth –LATIN–
  focus focal
• fod:-, foss:-
  dig –LATIN– fodere, fossus fossil
• foen:- hay –LATIN–
  fenuculum
• foli:- leaf –LATIN–
  folium defoliant
• font:- spring –LATIN–
  fons, fontis font, fontal, fontanelle
• for:- bore, drill –LATIN–
  forare, foratus foralite, foramen, foraminifer, perforation
• form:- shape –LATIN–
  forma conformity, deformity, formation, reformatory
• fornic:- vault –LATIN–
  fornix, fornicis fornication
• fort:- strong –LATIN–
  fortis fortification
• fove:- shallow round
  depression –LATIN– fovea fovea
• frang:-, :-fring:-,
  fract:-, fragbreak –LATIN– frangere, fractus fracture,
  fragment, frangible, infringe
• frater:-, fratr:-
  brother –LATIN– frater fraternity
• fric:-, frict:-
  rub –LATIN– fricare, frictus dentifrice, friction
• frig:- cold –LATIN–
  frigere frigid, frigorific
• front:- forehead –LATIN–
  frons, frontis confront, frontage, frontal
• fruct:-, frug:-
  fruit –LATIN– frux, fructis fructose
• fug:-, fugit:-
  flee –LATIN– fugere centrifuge, fugitive, refuge
• fum:- smoke –LATIN–
  fumus fume, fumigation
• fund:- bottom –LATIN–
  fundus, fundare fundamentalism, profundity
• fund:-, fus:-
  pour –LATIN– fundere, fusus diffusion, effusion, fusion, profuse,
  profusion, transfusion, effusive
• fung:-, funct:-
  do –LATIN– fungi, functus function, fungibility
• fur:-, furt:-
  steal –LATIN– fur, furare furtive
• furc:- fork –LATIN–
  furca bifurcation
• fusc:- dark –LATIN–
  fuscus obfuscation

G

• galact:- milk –GREEK–
  γάλα, γαλακτός (gala, galaktos) galactic
• gastr:- stomach –GREEK–
  γαστήρ (gaster) gastric, gastroenterology
• geo:- earth –GREEK–
  γῆ (gē), γεω:- (geō:-) geography, geology, geometry
• gel:- icy cold –LATIN–
  gelum ge-LATIN-, gelid
• gen:- race, kind,birth –GREEK–
  γένος (genos) eugenics, genocide
• ger:-, gest:-
  bear, carry –LATIN– gerere, gestus digest, gestation
• germin:- sprout –LATIN–
  germen, germinis germination
• glabr:- hairless –LATIN–
  glaber glabrous
• glaci:- ice –LATIN–
  glacies glacier
• gladi:- sword –LATIN–
  gladius gladiator
• glia:- glue –GREEK–
  γλία (glia) glial
• glob:- sphere –LATIN–
  globus global, globule
• glori:- glory –LATIN–
  gloria glorify
• glutin:- glue –LATIN–
  gluten, glutinis agglutination
• grad:-, :-gred:-,
  gress:- walk, step, go –LATIN– gradus, gradere, gressus
  grade, regress
• gram:- writing –GREEK–
  γράμμα (gramma) grammar, grammatic
• gran:- grain –LATIN–
  granum granary, granite, granola, granule
• grand:- grand –LATIN–
  grandis grandiloquous, grandiosity
• graph:- draw, write –GREEK–
  γραφή (graphē) grapheme, graphic, graphology
• grat:- thank, please –LATIN–
  gratus gratitude, ingrate
• grav:- heavy –LATIN–
  gravis aggravation, grave, gravity
• greg:- flock –LATIN–
  grex, gregis egregious, gregarious, segregation
• gubern:- govern, pilot –LATIN–
  gubernare gubernatorial
• gust:- taste –LATIN–
  gustus disgust, gusto
• gutt:- drop –LATIN–
  gutta gutta, guttifer, guttiform
• guttur:- throat –LATIN–
  guttur guttural
• gymn:- nude –GREEK–
  γυμνός (gymnos) gymnasium, gymnastics, gymnosperm
• gyn:- woman –GREEK–
  γυνή gynecology

H

• hab:-, :-hib:-,
  habit:-, :-hibithave –LATIN– habere, habitus
  habit, prohibition
• haem:-, hem:-
  blood –GREEK– αἷμα (haima) haemophilia, hemoglobin
• hal:- salt –GREEK–
  ἅλς, ἁλός (hals, halos) halogen
• hal:-, :-hel:-
  breathe –LATIN– halare, halatus anhelation, inhale
• hapl:- simple, single –GREEK–
  ἁπλοῦς (haplous) haploid, haplotype
• haur:-, haust:-
  draw –LATIN– haurire, haustus exhaustion
• heli:- sun –GREEK–
  ἥλιος (hēlios) heliocentric, heliotrope, helium
• hemi:- half –GREEK–
  ἥμισυς (hēmisus) hemicycle, hemisphere
• hen:- one –GREEK–
  ἕν (hen) henad, hyphen
• hendec:- eleven –GREEK–
  ἕνδεκα (hendeka) hendecagon
• hept:- seven –GREEK–
  ἑπτά (hepta) heptagon, heptathlon, heptode
• her:-, hes:-
  cling –LATIN– haerere, haesus adhesive, coherent
• herb:- grass –LATIN–
  herba herbal, herbicide
• hered:- heir –LATIN–
  heres, heredis heredity
• herp:- creep –GREEK–
  ἕρπω, ἕρπειν (herpō, herpein) herpes, herpetology
• heter:- different,
  other –GREEK– ἕτερος (heteros) heterodoxy
• heur:- find –GREEK–
  εὑρίσκω (heuriskō) heuristic
• hex:- six –GREEK–
  ἕξ (hex) hexagon, hexahedron, hexode
• hibern:- wintry –LATIN–
  hibernus hibernation
• hiem:- winter –LATIN–
  hiems hiemal
• hipp:- horse –GREEK–
  ἵππος (hippos) hippodrome
• hirsut:- hairy –LATIN–
  hirtus, hirsutus hirsute
• hispid:- bristly –LATIN–
  hispidus hispidity, hispidulous
• histri:- actor –LATIN–
  histrio, histrionis histrionic
• hod:- way –GREEK–
  ὁδός (hodos) cathode, herpolhode, hodometer
• hol:- whole –GREEK–
  ὅλος (holos) holistic
• hom:- same –GREEK–
  ὁμός (homos) homophone, homosexual
• home:- like –GREEK–
  ὅμοιος (homoios) homeostasis
• homin:- human –LATIN–
  homo, hominis hominid
• homal:- even, flat –GREEK–
  ὁμαλός (homalos) anomalous
• honor:- esteem –LATIN–
  honos, honoris honorable, honorarium
• hor:- boundary –GREEK–
  ὅρος (horos) aphorism, horizon
• hor:- hour –GREEK–
  ὥρα (hōra) horoscope
• horm:- that which
  excites –GREEK– ὁρμή (hormē) hormone
• hort:- garden –LATIN–
  hortus, horti horticulture
• hospit:- host –LATIN–
  hospes, hospitis hospital, hospitality, inhospitable
• host:- enemy –LATIN–
  hostis hostile
• hum:- ground –LATIN–
  humus, humare exhumation, inhume
• hyal:- glass –GREEK–
  ὕαλος (hualos) hyaline, hyaloid
• hydr:- water –GREEK–
  ὕδωρ (hudōr) hydraulics, hydrology, hydrolysis, hydrophily, hydrophobia,
  hydroponic, hydrous
• hygr:- wet –GREEK–
  ὑγρός (hugros) hygrometer
• hyo:- U:-shaped
  –GREEK– ὑοειδής (huoeidēs) hyoid
• hyp:- under –GREEK–
  ὑπό (hupo) hypothermia
• hyper:- above, over –GREEK–
  ὑπέρ (huper) hyperbole, hypertonic
• hypn:- sleep –GREEK–
  ὕπνος (hupnos) hypnosis
• hyster:- later –GREEK–
  ὕστερος (husteros) hysteresis

I

• ichthy:- fish –GREEK–
  ἰχθύς (ichthus) ichthyology
• icos:- twenty –GREEK–
  εἴκοσι (eikosi) icosagon, icosahedron
• id:- shape –GREEK–
  εἶδος (eidos) idol
• ide:- idea; thought –GREEK–
  ιδέα (idea) ideogram, ideology
• idi:- personal –GREEK–
  ἴδιος (idios) idiom, idiosyncrasy, idiot
• ign:- fire –LATIN–
  ignis igneous, ignition
• in:- (1), im:-
  in, on –LATIN– in import, incur, intend, invite
• in:- (2), il:-,
  im:-, ir:- not, un:- (negation) –LATIN–
• in:- illicit,
  impossible, inimical, irrational
• infra:- below, under –LATIN–
  infra infrastructure
• insul:- island –LATIN–
  insula insular, insulation
• inter:- among, between –LATIN–
  inter (preposition) intercollegiate, intermission, intersection
• intra:- within –LATIN–
  intra intramural
• irasc:-, irat:-
  be angry –LATIN– irasci irascible, irate
• is:-, iso:-
  equal, the same –GREEK– ἴσος (isos) isometric, isomorphic, isotropic
• iter:- again –LATIN–
  iterum, iterare iteration
• itiner:- route, way –LATIN–
  iter, itineris – march, journey itinerary

J

• jac:- lie –LATIN–
  jacēre “to be thrown“ adjacent
• jac:- (originally IAC),
• :-ject:- cast, throw –LATIN–
  iacio, iacere, ieci, iectus – “to throw“ (and cognates
  thereof) eject, interject, ejaculate, trajectory
• janu:- door –LATIN–
  janua janitor
• joc:- joke –LATIN–
  jocus jocularity
• jug:- yoke –LATIN–
  jugare, jugum conjugal, subjugate
• jung:-, junct:-
  join –LATIN– jungere, junctus conjunction, juncture
• junior:- younger –LATIN–
  junior juniority
• jus:-, jur:-,
  judic:- (originally IVS) law, justice –LATIN– ius,
• iuris; iudex, iudicis judge, jury,
  justice
• juv:-, jut:-
  help –LATIN– juvare, jutus adjutant
• juven:- young, youth –LATIN–
  juvenis juvenile, rejuvenate
• juxta:- beside, near –LATIN–
  juxta juxtaposition

K

• kil(o):- thousand –GREEK–
  χίλιοι (chilioi) kilobyte, kilogram, kilometer
• kine:- movement, motion
  –GREEK– κινέω (kineo) telekinesis, kinetic energy, kinesthetic
• klept:- steal –GREEK–
  κλέπτης (kleptēs) kleptomania
• kudo:- glory –GREEK–
  κῦδος (kudos) kudos

L

• lab:-, laps:-
  slide, slip –LATIN– labi, lapsus elapse, relapse
• labi:- lip –LATIN–
  labia, labiae bilabial, labial
• labor:- toil –LATIN–
  labor collaboration, elaboration
• lacer:- tear –LATIN–
  lacer laceration
• lacrim:- cry, tears –LATIN–
  lacrima “tear“ lacrimal, lacrimous
• lact:- milk –LATIN–
  lac, lactis, lactare lactate, lactation, lactose
• lamin:- layer, slice –LATIN–
  lamina laminate, lamination
• lamp:- shine –GREEK–
  λαμπάς lampas “torch“ lamp
• lapid:- stone –LATIN–
  lapis, lapidis lapidary
• larg:- large –LATIN–
  largus enlargement
• larv:- ghost, mask –LATIN–
  larva larva, larvae, larval
• lat:- broad, wide –LATIN–
  latus latitude
• later:- side –LATIN–
  latus, lateris bilateral
• laud:-, laus:-
  praise –LATIN– laudere laud
• lav:- wash –LATIN–
  lavare lavatory
• lax:- not tense –LATIN–
  laxus, laxare laxative, relaxation
• led:-, les:-
  hurt –LATIN– laedere, laesus lesion
• leg:- law –LATIN–
  lex, legis, legare legal, legislative
• leg:- send –LATIN–
  legare relegate
• lei:- smooth –GREEK–
  λείος leios leiomyoma
• lekan:- dish, pot –GREEK–
  λεκάνη lekane lekane
• leni:- gentle –LATIN–
  lenis, lenire leniency
• leon:- lion –LATIN–
  leo, leonis Leo, leonine, Leopold
• lep:- flake, scale –GREEK–
  λέπις lepis Lepidoptera
• leps:- grasp, seize –GREEK–
  λήψης lepsis epilepsy
• leuc(o):-, leuk(o):-
  white –GREEK– λευκός leukos leucocyte
• lev:- lift, light –LATIN–
  levis “light“ (in weight), levare elevator, levitation
• liber:- free –LATIN–
  liber, liberare liberation, liberty
• libr:- book –LATIN–
  liber, libri librarian, library
• lig:- bind –LATIN–
  ligare, ligatus ligament, ligature
• limac:- slug –LATIN–
  limax, limacis limacoid, limacon
• lin:- line –LATIN–
  linea line, linearity
• lingu:- language,
  tongue –LATIN– lingua bilingual, linguistic
• linqu:-, lict:-
  leave –LATIN– linquere, lictus relict, relinquish
• lip:- fat –GREEK–
  λίπος lipos lipolysis
• liter:- letter –LATIN–
  littera alliteration, illiterate, literacy, literal, obliterate
• lith:- stone –GREEK–
  λίθος (lithos) lithosphere, megalith, monolith, Neolithic Era
• loc:- place –LATIN–
  locus local, location
• log:- thought, word,
  speech –GREEK– λόγος (logos) “word“ logic,
  monologue, morphological
• long:- long –LATIN–
  longus elongate, longitude
• loqu:-, locut:-
  speak –LATIN– loqui allocution, eloquence
• luc:- bright, light –LATIN–
  lux, lucis light Lucifer (bearer of light)
• lud:-, lus:-
  play –LATIN– ludere, lusus allude, illusion
• lumin:- light –LATIN–
  lumen, luminis illumination, luminous
• lun:- moon –LATIN–
  luna lunar, lunatic
• lysis dissolving –GREEK– λύσις
  (lusis) analysis, cytolysis, hydrolysis

M

• macro:- long –GREEK– μακρός
  (makros) macron
• magn:- great, large –LATIN–
  magnus magnanimous, magnificent, magnitude
• maj:- greater –LATIN– major,
  majus majesty, majority, majuscule
• mal:- bad, wretched, –LATIN–
  malus malfeasance, malicious, malignancy, malodorous
• mamm:- breast –LATIN– mamma
  mammal, mammary gland
• man:- flow –LATIN– mānāre,
  manatus emanate, emanationism, immanant, immanation
• man:- stay –LATIN– manēre, mansus
  immanence, immanent, manse, permanence, permanent, remanence, remanent
• mand:- hand –LATIN– mandāre,
  mandatus mandate, remand
• mania mental illness –GREEK– μανία (manίā)
  kleptomania, maniac
• manu:- hand –LATIN– manus manual,
  manuscript
• mar:- sea –LATIN– mare, maris
  marine, maritime
• mater:-, matrmother –LATIN–
  mater, matris maternity, matriarch, matrix
• maxim:- greatest –LATIN– maximus
  maximum
• medi:-, :-midimiddle –LATIN–
  medius, mediare median, medieval
• meg:- great, large –GREEK– μέγας
  (megas) megaphone
• mei:- less –GREEK– μεῖον (meiōn)
  meiosis
• melan:- black, dark –GREEK– μέλας
  (melas) Melanesia, melanoma
• melior:- better –LATIN– melior
  amelioration
• mell:- honey –LATIN– mel, mellis
  mellifluous
• memor:- remember –LATIN– memor
  memorial mening
• :- membrane –GREEK– μήνιγξ
  (meninx) meningitis
• men:- month –GREEK– μήν (mēn)
  menopause
• menstru:- monthly –LATIN– menstruus
  menstruation, menstrual
• mensur:- measure –LATIN– mensura
  commensurate
• ment:- mind –LATIN– mens, mentis
  demented, mentality
• mer:- part –GREEK– μέρος (meros)
  polymer
• merc:- reward, wages, hire –LATIN–
  merx, mercis mercantile, merchant
• merg:-, mersdip, plunge –LATIN–
  mergere emerge, immersion
• mes:- middle –GREEK– μέσος
  (mesos) mesolithic, mesozoic
• meter:-, metrmeasure –GREEK–
  μέτρον (metron) metric, thermometer
• meta:- above, among, beyond –GREEK–
  μετά (meta) metaphor, metaphysics
• mic:- grain –LATIN–
  mica micelle
• micr:- small –GREEK– μικρός
  (mikros) microphone, microscope
• migr:- wander –LATIN– migrare
  emigrant, migrate
• milit:- soldier –LATIN– miles,
  militis military, militia
• mill:- thousand –LATIN– mille
  millennium, million
• millen:- thousand each –LATIN–
  milleni millenary
• mim:- repeat –GREEK– μίμος
  (mimos) mime, mimic
• min:- jut –LATIN– minere
  prominent
• min:- less, smaller –LATIN–
  minor, minus minority, minuscule
• mir:- wonder, amazement –LATIN–
  miror, mirari, miratus sum admire, miracle, mirror
• mis:- hate –GREEK– μῖσος (misos)
  misandry, misogyny
• misce:-, mixtmix –LATIN– miscere,
  mixtus miscellaneous, mixture
• mit:- thread –GREEK– μίτος
  (mitos) mitochondrion
• mitt:-, miss:- send –LATIN–
  mittere, missus intermittent, missionary, transmission
• mne:- memory –GREEK– μνήμη
  (mnēmē) mnemonic
• mol:- grind –LATIN– mola, molere,
  molitus molar
• moll:- soft –LATIN– mollis
  emollient, mollify
• mon:- one –GREEK– μόνος (monos)
  monism, monolith, monotone
• monil:- string of beads –LATIN–
  monile Moniliformida
• mont:- mountain –LATIN– mons,
  montis Montana
• mord:- bite –LATIN– mordere,
  morsus mordacious, morsel, remorse
• morph:- form, shape –GREEK– μορφή
  (morphē) anthropomorphism, morpheme, morphology
• mort:- death –LATIN– mors, mortis
  immortal, mortality, mortuary
• mov:-, mot:- move, motion –LATIN–
  movere, motus mobile, momentum, motor, move
• mulg:-, muls:- milk –LATIN–
  mulgere emulsion
• mult:- many, much –LATIN– multus
  multiple, multiplex, multitude
• mur:- wall –LATIN– murus, muri
  immured, mural
• mus:- thief –LATIN– mus, muris
  mouse
• musc:- fly –LATIN– musca, muscae
  Muscicapidae, Muscidae
• mut:- change –LATIN– mutare
  mutation
• my:- mouse –GREEK– μῦς (mus)
  musophobia
• myri:- countless, ten thousand –GREEK–
  μυρίος (murios) myriad, myriapod
• myrmec:- ant –GREEK– μύρμηξ
  (murmēx) myrmecoid, Myrmidons
• myth:- story –GREEK– μῦθος
  (muthos) mythic, mythology
• myx:- slime –GREEK– μύξα (muxa)
  Myxini
• myz:- suck –GREEK–
  μυζάω (muzaō) Myzopoda

 N

• nar:- nostril –LATIN– naris
• narc:- numb –GREEK– νάρκη (narkē)
  narcosis, narcotic
• narr:- tell –LATIN– narrare
  narrative
• nas:- nose –LATIN– nasus nasal
• nasc:-, nat:- born –LATIN–
  nascere, natus nascent, native
• naut:- ship –GREEK– ναύτης
  (nautes) Argonaut, astronaut
• nav:- ship –LATIN– navis naval
• ne:- new –GREEK– νέος (neos)
  neologism
• necr:- dead –GREEK– νεκρός
  (nekros) necrophobia
• nect:- swimming –GREEK– νηκτός
  (nēktos) nectopod
• nect:-, nex:- join, tie –LATIN–
  nectere, nexus connect, connexion
• neg:- say no –LATIN– negare
  negative
• nema:- hair –GREEK– νῆμα (nēma)
  nematode
• nemor:- grove, woods –LATIN–
  nemus, nemoris nemoral
• nephr:- kidney –GREEK– νεφρός
  (nephros) nephritis
• nes:- island –GREEK– νῆσος
  (nēsos) Polynesia
• neur:- nerve –GREEK– νευρών
  (neurōn) neurology, neurosurgeon
• nict:- wink –LATIN– nictari
  nictation
• nigr:- black –LATIN– niger
  denigrate
• nihil:- nothing –LATIN– nihilum
  annihilation
• noct:- night –LATIN– nox, noctis
  noctambulist, nocturnal
• nod:- knot –LATIN– nodus node,
  nodule
• nom:- arrangement, law –GREEK–
  νόμος (nomos) autonomous, taxonomy
• nomad:- those who let pasture herds –GREEK–
  νομάς, νομάδος (nomas, nomados) nomadic
• nomin:- name –LATIN– nomen,
  nominis nomination
• non:- not –LATIN– non none non:-
  ninth –LATIN– nonus nonary
• nonagen:- ninety each –LATIN–
  nonageni nonagenary
• nonagesim:- ninetieth –LATIN–
  nonagesimus nonagesimal
• not:- letter, note, paper –LATIN–
  notare annotation, notable
• noth:- spurious –GREEK– νόθος
  (nothos) nothogenus
• noto:- back, south –GREEK– νότος
  (notos) notochord
• nov:- nine –LATIN– novem
  November, novennial
• nov:- new –LATIN– novus
  innovation, nova
• noven:- nine each –LATIN– noveni
  novenary
• novendec:- nineteen –LATIN–
  novendecim
• nox:-, noc:-
  harmful –LATIN– noxa noxious
• nu:- nod –LATIN– nuere innuendo
• nub:- to marry, to wed –LATIN–
  nubes, nubis, nubere connubial, nubile
• nuc:- nut –LATIN– nux, nucis
  nucleus
• nuch:- back of neck –LATIN– nucha
  nuchal cord
• nud:- naked –LATIN– nudus denude,
  nudity
• null:- none –LATIN– nullus
  nullify
• numer:- number –LATIN– numerus
  numeral
• nunci:- announce –LATIN– nuntius
  pronunciation
• nupti:- –LATIN– nuptial
• nutri:- nourish –LATIN– nutrire
  nutrient

O

• ob:-, o:-, oc:-,
  of:-, og:-, op:-, osagainst –LATIN–
  ob obstinate, obstreperous, occur, offend, omit, oppose, ostentatious
• oct:- eight –GREEK– ὀκτώ (oktō)
  octagon, octahedron, octode
• oct:- eight –LATIN– octō
  octangular, octennial, octovir
• octav:- eighth –LATIN– octāvus
  octaval
• octogen:- eighty each –LATIN–
  octogeni octogenary
• octogesim:- eightieth –LATIN–
  octogesimus octogesimal
• octon:- eight each –LATIN– octoni
  octonary
• ocul:- eye –LATIN– oculus,
  oculare ocular, oculus, ullage
• od:- path, way –GREEK– ὁδός
  (hodos) anode, diode, odometer, pentode, tetrode, triode
• od:- hate –LATIN– odium odious
• odont:- tooth –GREEK– ὀδούς, ὀδόντος
  (odous, odontos) odontology
• odor:- fragrant –LATIN– odor
  odorous
• oeco:- house –GREEK– οἶκος
  (oikos) ecology
• oed:- swollen –GREEK– οἴδημα
  (oidēma) oedema
• oen:- wine –GREEK– οἶνος (oinos)
  oenology
• oesophag:- gullet –GREEK– οἰσοφάγος
  (oisophagos) oesophagus
• ogdo:- eighth –GREEK–
  ὄγδοος (ogdoos)
• ogdoad :-oid like –GREEK–
• :-οειδής (:-oeidēs)
  asteroid, mucoid, organoid
• ole:- oil –LATIN– oleum oleosity
• olecran:- skull of elbow –LATIN–
  from –GREEK– ὠλέκρανον (ōlekranon) olecranon
• olig:- few –GREEK– ὀλίγος
  (oligos) oligarchy
• oliv:- olive –LATIN– oliva
  olivaceous, olivary,
• olivette :-oma cancer –GREEK–
  :-ωμα melanoma
• omas:- paunch –LATIN– omasum
  omasum
• oment:- fat skin –LATIN– omentum
  omental
• omin:- creepy –LATIN– omen,
  ominis abominable, ominous
• omm:- eye –GREEK– ὄμμα (omma)
  ommatidium
• omni:- all –LATIN– omnis
  omnipotence, omnivore
• omo:- shoulder –LATIN–
• omphal:- navel –GREEK– ὀμφαλός
  (omphalos) omphalectomy
• oner:- burden –LATIN– onus, oneris
  exonerate, onerous
• onom:- name –GREEK– όνομα (onoma)
  onomatopoeia
• ont:- existing –GREEK– ὄντος
  (ontos) ontogeny, ontology
• :-onym name –GREEK– ὄνυμα
  (onuma) antonym, pseudonym, synonym
• oo:- egg –GREEK– (oion) oocyte
• opac:- shady –LATIN– opacus opacity
• oper:- work –LATIN– opus, operis
  inoperable, opera
• opercul:- little cover –LATIN–
  operculum
• ophi:- snake –GREEK– ὄφις (ophis)
  ophiophagy
• ophthalm:- eye –GREEK– ὀφθαλμός
  (ophthalmos) ophthalmology
• opisth:- behind –GREEK– ὄπισθεν
  (opisthen) opisthosoma, opsimath
• opoter:- either –GREEK– ὁπότερος
  (hopoteros)
• opt:- eye –GREEK– ὀπτός (optos)
  optical
• opt:- choose –LATIN– optare
  adopt, optional
• optim:- best –LATIN– optimus
  optimum
• or:- mouth –LATIN– os, oris oral,
  orator
• orb:- circle –LATIN– orbis orbit
• orch:- testicle –GREEK– ὄρχις
  (orchis) orchid
• ordin:- order –LATIN– ōrdō,
  ordinis ordinal, ordinary
• organ:- organ, instrument, tool –GREEK–
  ὄργανον (organon) organism
• ori:-, ort:- eastern –LATIN–
  oriri, ortus orient
• orn:- decorate –LATIN– ōrnāre adorn,
  ornament, ornate
• ornith:- bird –GREEK– ὄρνις
  (ornis, ornithos) ornithology
• orth:- straight –GREEK– ὀρθός
  (orthos) orthodontist, orthodoxy, orthosis
• oscill:- swing –LATIN– oscillum
  oscillation
• oss:- bone –LATIN– os, ossis
  ossification
• osteo:- bone –GREEK– ὀστοῦν
  (ostoun) osteoporosis
• osti:- entrance –LATIN– ostium
  ostiole
• ostrac:- shell –GREEK– ὄστρακον
  (ostrakon) ostracism
• ot:- ear –GREEK– οὖς, ωτός (ous,
  ōtos) otology
• ov:- egg –LATIN– ovum oval,
  ovary, ovule
• ovi:- sheep –LATIN– ovis ovine
• oxy:- sharp, pointed –GREEK– ὀξύς
  (oxus) oxygen, oxymoron

P

• pac:- peace –LATIN– pax, pacis
  pacifism
• pach:- thick –GREEK– παχύς
  (pachus) pachydermata, Pachypodium
• paed:- child –GREEK– παῖς, παιδός
  (pais, paidos) paediatric
• pagin:- page –LATIN– pagina pagination
• pal:- stake –LATIN– palus
  impalement, pale
• palae:-, pale:- ancient,
  old –GREEK– παλαιός (palaios) paleontology
• palin:- back –GREEK– πάλιν
  (palin) palindrome
• pall:- be pale –LATIN– pallere
  pallid, pallor
• palli:- mantle –LATIN– pallium
  pallium
• palm:- palm –LATIN– palma palmate
• palustr:- in marshes –LATIN–
  paluster palustral
• pan:-, pam:- all –GREEK–
  πᾶς, παντός (pas, pantos) pandemic
• pand:-, pans:- spread –LATIN–
  pandere, pansus expand, expansion
• par(a):- beside, near –GREEK–
  παρά (para) parallel, parameter
• pariet:- wall –LATIN– paries,
  parietis parietal
• part:- part –LATIN– pars, partis
  bipartite, partition
• parthen:- maiden –GREEK– παρθένος
  (parthenos) parthenogenesis
• parv:- little –LATIN– parvus
  parvovirus pasc:-,
• past:- feed –LATIN– pascere,
  pastus pasture, repast
• pass:- pace, step –LATIN– passus
• passer:- sparrow –LATIN– passer
  passeriform, passerine
• pat:- be open –LATIN– patere
  patent
• path:- feel, hurt –GREEK– πάθος
  (pathos) pathetic, pathology
• pati:-, pass:- suffer,
  feel, endure, permit –LATIN– pati, passus passive, patience
• patr:- father –GREEK– πατήρ,
  πατριά (patēr, patria) patriarch
• patr:- father –LATIN– pater,
  patris patrilocal
• pauc:- few –LATIN– paucus paucal,
  pauciloquent, paucity
• pav:- –LATIN– pavire pavement
• pecc:- sin –LATIN– peccare
  impeccable
• pect:- fixed –GREEK– πηκτός
  (pēktos) pectic, pectin
• pector:- chest –LATIN– pectus,
  pectoris pectoral
• pecun:- money –LATIN– pecunia
  pecuniary
• ped:- child –GREEK– παῖς, παιδός
  (pais, paidos) pedagogy
• ped:- foot –LATIN–
  pes, pedis pedal, quadruped
• pejor:- worse –LATIN– pejor
  pejorative
• pell:-, puls:- drive –LATIN–
  pellere, pulsus propellent, propulsor, repellent
• pen:- almost –LATIN– paene
  peninsula, penultimate, penumbra
• pend:-, pens:- hang –LATIN–
  pendere suspend
• penn:-, pinn:- feather –LATIN–
  penna pennate, pinnate
• pent:- five –GREEK– πέντε (pente)
  pentagon, pentode, pentagrid
• pentecost:- fiftieth –GREEK–
  πεντηκοστός (pentēkostos) pentecostalism
• pept:- to digest –GREEK– πέσσειν,
  πεπτός (pessein, peptos) peptic, peptide
• per:- thoroughly, through –LATIN–
  per perfection, permeate, persistence, pervade
• peran:- across, beyond –GREEK–
  πέραν (peran)
• peri:- around –GREEK– περί (peri)
  perimeter, peripheral, periscope
• persic:- peach –GREEK– περσικός
  (persikos)
• pessim:- worst –LATIN– pessimus
  pessimal
• pet:- strive towards –LATIN–
  petere appetite, competition
• petr:- rock –GREEK– πέτρα (petra)
  petroglyph
• phae:- dark –GREEK– φαιός
  (phaios) phaeomelanin
• phag:- eat –GREEK– φαγεῖν
  (phagein) sarcophagus
• phalang:- close formation of troops,
  finger bones –GREEK– φάλαγξ, φάλαγγος (phalanx, phalangos) phalanges
• phalar:- having a patch of white –GREEK–
  φάλαρος (phalāros) [1] phalarope
• pharmac:- drug, medicine –GREEK–
  φάρμακον (pharmakon) pharmacy
• phaner:- visible –GREEK– φανερός
  (phaneros) phanerozoic
• pher:- bear, carry –GREEK– φέρω
  (pherō) pheromone
• phil:-, :-phile love,
  friendship –GREEK– φιλέω (phileō, philia) hydrophile, philosophy
• phleg:- heat –GREEK– φλέγω
  (phlegō) phlegm, phlegmatics
• phloe:- tree bark –GREEK– φλοιός
  (phloios) phlobaphene, phloem
• phob:- fear –GREEK– φόβος
  (phobos) hydrophobia
• phon:- sound –GREEK– φωνή (phōnē)
  homophone, microphone, phonograph
• phor:- carry, bear –GREEK– φόρος
  (phoros) metaphor
• phos:-, phot:- light –GREEK–
  φῶς, φωτός (phōs, phōtos) phosphor, photograph
• phragm:- fence –GREEK– φράγμα
  (phragma) diaphragm
• phren:- diaphragm, mind –GREEK–
  φρήν, φρενός (phrēn, phrenos) phrenetic, schizophrenia
• phryn:- toad, toad:-like –GREEK–
  φρύνη (phrunē) Phrynobatrachus
• phyl:- tribe –GREEK– φύλον
  (phulon) phylogenetics, phylum
• phyll:- leaf –GREEK– φύλλον
  (phullon) chlorophyll, phyllotaxis
• phys:- nature –GREEK– φύσις
  (phusis) physics
• physalid:- bladder –GREEK–
  φυσαλ(λ)ίς (phusal(l)is) physalis
• phyt:- plant –GREEK–
  φυτόν (phuton) neophyte, phytoplankton
• pic:- pitch –LATIN– pix, picis
• pil:- hair –LATIN– pilus
  depilatory, epilator
• pin:- drink –GREEK– πίνειν
  (pinein) pinocytosis
• pin:- pine –LATIN– pinus pineal
  gland
• ping:-, pict:- paint –LATIN–
  pingere, pictus depiction, picture
• pingu:- fat –LATIN– pinguis
  Pinguicula
• pir:- pear –LATIN– pirus
  piriformis muscle
• pisc:- fish –LATIN– piscis
  Pisces, piscivore
• pis:- pea –GREEK– πίσος (pisos)
• plac:- plate, tablet –GREEK–
  πλάξ, πλακός (plax, plakos)
• plac:- calm –LATIN– placare,
  placatus placate
• plac:-, :-plic:-
  please –LATIN– placēre, placitus placebo, placid
• plagi:- oblique –GREEK– πλάγιος
  (plagios) plagioclase
• plan:- flat –LATIN– planus
  explanation, planar, plane
• plang:-, planct:- –LATIN–
  plangere, planctus plangent
• plas:- mould –GREEK– πλάθω
  (plathō) plasma, plastic
• platy:- flat, broad –GREEK–
  πλατύς (platus) platypus
• plaud:-, :-plod:-,
  plaus:-, :-plosapprove, clap –LATIN–
  plaudere, plausus applaud, applause, explosion, implode, plaudits, plausible
• ple:-, plet:- fill –LATIN–
  plere complement, suppletion
• pleb:- people –LATIN– plebs,
  plebis plebian, plebs
• plec:- interwoven –GREEK– πλέκω
  (plekō) plectics, symplectomorphism
• plect:-, plex:- plait –LATIN–
  plectere, plexus perplex
• plen:- full –LATIN– plenus
  plenary
• plesi:- near –GREEK– πλησίος
  (plēsios)
• pleth:- full –GREEK– πλῆθος
  (plēthos) plethora
• pleur:- side –GREEK– πλευρά
  (pleura)
• plic:- fold –LATIN– plicare,
  plicatus duplication, replicate
• plinth:- brick –GREEK– πλίνθος
  (plinthos)
• plor:- –LATIN– plorare implore
• plu:- rain –LATIN– pluere
• plum:- feather –LATIN– pluma
  plumage, plumate
• plumb:- lead –LATIN– plumbum
  plumber
• plur:- more –LATIN– pluris plural
• plurim:- most –LATIN– plurimus
• plus:- more –LATIN– plus surplus
• plut:- wealth –GREEK– πλοῦτος
  (ploutos) plutocracy
• pluvi:- rain –LATIN– pluvia
  pluvial
• pneu:- air, lung –GREEK– πνεῦμα
  (pneuma) pneumatic
• pod:- foot –GREEK– πούς, ποδός
  (pous, podos) podiatry, tripod
• pogon:- beard –GREEK– πώγων,
  πώγωνος (pōgōn, pōgōnos) pogonotrophy
• poie:- make –GREEK– ποιέω (poieō)
  poiesis
• pol:- pole –GREEK– πόλος (polos)
  dipole, polar
• pole:-, poli:- city –GREEK–
  πόλις (polis) metropolis, politics
• polem:- war –GREEK– πόλεμος
  (polemos) polemic
• poli:- grey –GREEK– πολιός
  (polios)
• pollic:- thumb –LATIN– pollex,
  pollicis
• pollin:- –LATIN– pollen, pollinis
  pollination
• poly:- many –GREEK– πολύς (polus)
  polygon
• pon:-, posit:- put –LATIN–
  ponere, positus component, position, postpone
• ponder:- weight –LATIN– pondus,
  ponderis preponderance
• pont:- bridge –LATIN– pons,
  pontis pontoon
• popul:- people –LATIN– populus,
  populare population
• por:- passage –GREEK– πόρος
  (poros) pore
• porc:- pig –LATIN– porcus
  porcine, pork
• porphyr:- purple –GREEK– πορφύρα
  (porphura) porphyrin
• port:- gate –LATIN– porta portal
• port:- carry –LATIN– portare,
  portatus export, transportation
• post:- after, behind –LATIN– post
  posterior, postscript
• pot:- drink –LATIN– potus, potare
  potable
• potam:- river –GREEK– ποταμός
  (potamos) hippopotamus, Mesopotamia
• prasin:- leek:-green –GREEK–
  πράσινος (prasinos) prasinous
• prat:- meadow –LATIN– pratum
• prav:- crooked –LATIN– pravus
  depravity
• pre:- before –LATIN– prae
  previous
• prec:- pray –LATIN– prex, precis,
  precāri deprecation
• pred:- –LATIN– praeda, praedari
  predator
• prehend:-, prend:-,
  prehensgrasp –LATIN– prehendere, prehensus comprehend
• prem:-, :-prim:-,
  press:- press –LATIN– premere, pressus pressure
• presby:- old –GREEK– πρέσβυς
  (presbus) Presbyterianism
• preter:- past –LATIN– praeter
  preterite, pretermission
• preti:- price –LATIN– pretium,
  pretiare
• prim:- first –LATIN– primus
  primary, primeval, primitive
• prior:- former –LATIN– prior
  priority
• priv(i):- separate –LATIN–
  privus, privare, privatus deprivation, privilege
• pro:- before, in front of –GREEK–
  πρό (pro)
• pro:- for, forward –LATIN– pro
  propulsion
• prob:- try –LATIN– probus,
  probare probation
• proct:- anus –GREEK– πρωκτός
  (prōktos) proctology
• propri:- one’s own, ownership –LATIN–
  proprietas appropriate, property, propriety
• pros:- forward –GREEK– πρός
  (pros)
• prot:- first –GREEK– πρῶτος
  (prōtos) protoplasm
• proxim:- nearest –LATIN–
  proximus, proximare approximate, proximity
• prun:- plum –LATIN– prunus prune
• psamma:- sand –GREEK– ψάμμος
  (psammos)
• pseud:- false –GREEK– ψευδής
  (pseudēs) pseudonym
• psil:- bare –GREEK– ψιλός
  (psilos) epsilon
• psych:- mind –GREEK– ψυχή
  (psuchē) psycho
• psychr:- cold –GREEK– ψυχρός
  (psuchros)
• pter:- wing, fern –GREEK– πτερόν
  (pteron) helicopter
• pto:- fall –GREEK– πτῶσις
  (ptōsis) ptosis
• ptyal:- saliva –GREEK– πτύον
  (ptuon)
• ptych:- fold, layer –GREEK– πτύξ,
  πτυχή (ptuchē) triptych
• pub:- sexually mature –LATIN–
  pubes pubescent, pubic
• public:- –LATIN– publicus publication
• pude:- –LATIN– pudere impudent
• pugn:- fight –LATIN– pugna,
  pugnare pugnacious, repugnant
• pulchr:- beautiful –LATIN–
  pulcher, pulchri pulchritude
• pulmon:- lung –LATIN– pulmo,
  pulmonis pulmonary
• pulver:- dust –LATIN– pulvis,
  pulveris pulverize
• pung:-, punct:- prick –LATIN–
  pungere, punctus puncture, pungent
• puni:- punish –LATIN– punire,
  punitus impunity, punitive
• pup:- doll –LATIN– pupa pupa,
  puppet
• pur:- pure –LATIN– purus
  impurity, purify
• purg:- cleanse –LATIN– purgare
  expurgate, purgatory, purge
• purpur:- purple –LATIN– purpura
• put:- prune, reckon –LATIN–
  putāre compute, putative
• pyg:- rump –GREEK– πυγή (pugē)
  pygostyle, callipygian
• pyl:- gate –GREEK– πυλών, πυλῶνος
  (pulōn) pylon
• pyr:- heat, fire –GREEK–
  πῦρ, πυρός (pur, puros) pyrolysis Q

Q

• quadr:- four –LATIN– quattuor
  quadrangle, quadrillion
• quadragen:- forty each –LATIN–
  quadrageni quadragenary
• quadragesim:- fortieth –LATIN–
  quadragesimus quadragesimal
• quart:- fourth –LATIN– quartus
  quartary, quartile
• quasi:- as if –LATIN– quasi
  quasar
• quatern:- four each –LATIN–
  quaterni quaternary, quaternion
• quati:-, quass:- shake –LATIN–
  quatere
• quer:-, :-quir:-,
  quesit:-, :-quisit:- search, seek –LATIN–
  quaerere Inquisition, query
• qui:- rest –LATIN– quies quiet,
  requiem
• quin:- five each –LATIN– quini
  quinary
• quindecim:- fifteenth –LATIN–
  quindecimus quindecimal
• quinden:- fifteen each –LATIN–
  quindeni quindenary
• quinque:- five –LATIN– quinque
  quinquennium
• quint:- fifth –LATIN– quintus
  quintary, quintile
• quot:- how many, how great –LATIN–
  quota, quotient

R

• rad:-, ras:- scrape, shave
  –LATIN– radere, rasus abrade, abrasion, erasure
• radi:- beam, spoke –LATIN–
  radius, radiare radiance, radiation
• radic:- root –LATIN– rādix,
  rādīcis eradicate, radical
• ram:- branch –LATIN– rāmus
  ramification, ramose
• ran:- frog –LATIN– rana Rana
• ranc:- rancidness, grudge, bitterness –LATIN–
  rancere rancid, rancor
• rap:- turnip –LATIN– rapum
  rapeseed
• raph:- seam –GREEK– ῤαφή (rhaphē)
• rar:- –LATIN– rarus rarity
• rauc:- harsh, hoarse –LATIN–
  raucus raucous re:-,
• red:- again, back –LATIN– re:-
  recede, redact
• reg:-, :-rig:-,
  rect:- straight –LATIN– regere, rectus dirigible, erect,
  erection, rectum
• rem:- oar –LATIN– remus bireme,
  trireme
• ren:- kidney –LATIN– renes renal
• rep:-, rept:- crawl, creep
  –LATIN– repere, reptus reptile
• ret:- net –LATIN– rete reticle,
  retina
• retro:- backward, behind –LATIN–
  retro retrograde, retrospective, retrovirus
• rhabd:- rod –GREEK– ῥάβδος
  (rhabdos) rhabdoid, rhabdom
• rhach:-, rach:-
  spine –GREEK– ῥάχις, ῥάχεως (rhachis) rhachiodont
• rhag:- tear, rent –GREEK– ῥαγίζω
  rhagades
• rhe:- flow –GREEK– ῥεῖν (rhein)
  rheostat
• rhig:- chill –GREEK– ῥῖγος
  (rhigos) rhigosaurus
• rhin:- nose, snout –GREEK– ῥίς, ῥινός
  (rhis, rhinos) rhinoplasty
• rhiz:- root –GREEK– ῥίζα (rhiza)
  rhizome
• rhod:- rose –GREEK– ῥόδον
  (rhodon) rhododendron
• rhomb:- spinning top –GREEK– ῥόμβος
  (rhombos) rhombus
• rhynch:- snout –GREEK– ῥύγχος
  Rhynchobatus
• rid:-, ris:- laugh –LATIN–
  ridere, risus derision, ridicule
• robor:- oak, strength –LATIN–
  robur, roboris corroboration
• rod:-, ros:- gnaw –LATIN–
  rodere, rosus corrode, erosion, rodent
• rog:- ask –LATIN– rogare
  derogatory, interrogation
• rostr:- beak, prow –LATIN–
  rostrum rostral, rostriform, rostrum
• rot:- wheel –LATIN– rota, rotare
  rotation
• ruber:-, rubr:- red –LATIN–
  ruber rubric, ruby
• rug:- wrinkle –LATIN– ruga,
  rugare corrugation
• rumin:- throat –LATIN– rumen,
  ruminis rumination
• rump:-, rupt:- break –LATIN–
  rumpere, ruptus eruption, rupture, interrupt
• rur:- country –LATIN– rus, ruris
  rural

S

• sacchar:- sugar –GREEK– σάκχαρον
  (sakcharon) saccharin
• sacr:-, secr:- sacred –LATIN–
  sacer, sacrare consecrate, sacrament
• sagac:- wise –LATIN– sagax,
  sagacis sagacity
• sagitt:- arrow –LATIN– sagitta
  sagittal plane, Sagittaria
• sal:- salt –LATIN– sal, salis,
  salere salinity
• sali:-, :-sili:-,
  salt:- jump –LATIN– salire, saltus resilient, salient,
  saltus
• salic:- willow –LATIN– salix,
  salicis salicin
• salv:- save –LATIN– salvus,
  salvare salvation
• san:- healthy –LATIN– sanus
  insane, sanity
• sanc:- holy –LATIN– sancire, sanctus
  sanctify, sanctuary
• sanguin:- blood –LATIN– sanguis,
  sanguinis consanguinity, sanguine
• sapi:-, :-sipi:-
  taste, wise –LATIN– sapere insipience, sapient
• sapon:- soap –LATIN– sapo,
  saponis saponification
• sarc:- flesh –GREEK– σάρξ, σαρκός
  (sarx, sarkos) sarcophagus
• saur:- lizard, reptile –GREEK–
  σαῦρος (sauros) dinosaur
• sax:- rock –LATIN– saxum scab:-
  scratch –LATIN– scabere scabies
• scal:- ladder, stairs –LATIN–
  scala scalar, scale
• scalen:- uneven –GREEK– σκαληνός
  (skalēnos) scalene muscles, scalene triangle
• scand:-, :-scend:-,
  scans:-, :-scensclimb –LATIN– scandere
  ascend, transcendent, descend
• scaph:- anything hollow, bowl, ship –GREEK–
  σκάφη, σκάφος scaphoid bone
• scel:- leg, thigh –GREEK– σκέλος,
  σκέλεος (skelos) isosceles
• schem:- plan –GREEK– σχῆμα
  (schēma) schematic
• schis:- split –GREEK– σχίζω,
  σχίσμα (schisma) schism
• sci:- know –LATIN– scire
  prescient, science
• scind:-, sciss:- split –LATIN–
  scindere rescind, scissors
• scler:- hard –GREEK– σκληρός
  (sklēros) scleroderma, sclerosis
• scoli:- crooked –GREEK– σκολιός
  (skolios) scoliosis
• scop:-, scept:- look at,
  examine, view, observe –GREEK– σκέπτομαι, σκοπός (skopos) horoscope,
  kaleidoscope, stethoscope
• scrib:-, script:- write –LATIN–
  scribere, scriptus inscribe, scripture
• sculp:- carve –LATIN– sculpere,
  sculptus sculpture
• scut:- shield –LATIN– scutum
  scute
• scyph:- cup –GREEK– χούφτα
  (chouphta) Scyphozoa
• se:-, sed:- apart –LATIN–
  se secede, sedition
• seb:- tallow –LATIN– sebum
  sebaceous, sebum
• sec:-, sect:-, seg:-
  cut –LATIN– secare secant, section, segment
• sed:- settle, calm –LATIN–
  sedare, sedatus sedative
• sed:-, :-sid:-,
  sess:- sit –LATIN– sedere, sessus reside, sediment,
  session, supersede
• sedec:- sixteen –LATIN– sedecim
  sedecimal
• seget:- in cornfields –LATIN–
  segetum
• sei:- shake –GREEK– σείω, σεισμός
  (seismos) seismograph
• selen:- moon –GREEK– σελήνη
  (selēnē) Selene, selenium
• sell:- saddle, seat –LATIN– sella
  sella turcica
• sema:- sign –GREEK– σῆμα (sēma)
  semantics, semaphore
• semi:- half –LATIN– semis
  semifinal
• semin:- seed –LATIN– semen,
  seminis insemination
• sen:- old man –LATIN– senex,
  senis senator, senility
• sen:- six each –LATIN– seni
  senary
• senti:-, sens:- feel –LATIN–
  sentire, sensus consensus, sentient
• sept:- fence, partition, enclosure –LATIN–
  saeptum transept
• sept:- seven –LATIN– septem
  septennial
• septen:- seven each –LATIN–
  septeni septenary
• septim:- seventh –LATIN–
  septimus septimal, septime
• septuagen:- seventy each –LATIN–
  septuageni septuagenary
• septuagesim:- seventieth –LATIN–
  septuagesimus septuagesima, septuagesimal
• septuagint:- seventy –LATIN–
  septuaginta Septuagint
• sequ:-, secut:- follow –LATIN–
  sequere, secutus consecutive, sequence
• ser:-, sat:- cultivate –LATIN–
  serere, satus sative
• ser:- body fluid –LATIN– serum
  serous
• ser:- late –LATIN– serus serein,
  serotine
• serp:- crawl, creep –LATIN–
  serpere, serptus serpent
• serr:- saw, saw:-toothed –LATIN–
  serra, serrare serration
• serv:- save, protect, serve –LATIN–
  servare conservation
• sesqui:- one and a half –LATIN–
  sesqui sesquicentennial
• set:- bristle, hair –LATIN– saeta
  seta, setose
• sever:- stern, strict, serious –LATIN–
  severus severity
• sex:-, se:- six –LATIN–
  sex semester, sexangle, sexennium
• sexagen:- sixty each –LATIN–
  sexageni sexagenary
• sexagesim:- sixtieth –LATIN–
  sexagesimus sexagesimal
• sext:- sixth –LATIN– sextus
  sextant
• sibil:- hiss –LATIN– sibilus,
  sibilare sibilance
• sicc:- dry –LATIN– siccus
  desiccation
• sider:- star –LATIN– sidus,
  sideris sidereal
• sign:- sign –LATIN– signum
  design, designate, signal
• sil:- quiet or still –LATIN–
  silere silence
• silv(i):- forest –LATIN– silva
  silviculture
• simi:- ape, monkey –LATIN– simia
  simian
• simil:- likeness, trust, group –LATIN–
  similis assimilate, similarity
• simul:- imitating, feigning –LATIN–
  simulare simulation
• singul:- one each –LATIN–
  singulus singular
• sinistr:- left –LATIN– sinister,
  sinistri sinistral
• sinu:- (to draw) a line –LATIN–
  sinuare insinuate
• sinus:- hollow, bay –LATIN– sinus
• siph(o):- tube –GREEK– σίφων
  (siphōn) siphon
• sist:- cause to stand –LATIN–
  sistere consist, persistence
• sit:- food, grain, wheat –GREEK–
  σῖτος (sitos) sitology
• soci:- group –LATIN– socius,
  sociare associate, social
• sol:- sun –LATIN– sol, solis
  solar
• sol:- comfort, soothe –LATIN–
  solari consolation, solace
• sol:- alone, only –LATIN– solus
  desolate, sole, solo, solipsism
• solen:- pipe, channel –GREEK–
  σωλήν (sōlēn) solenoid
• solv:-, solut:-
  loosen, set free –LATIN– solvere, solutus dissolve, solution
• soma:- body –GREEK– σῶμα, σώματος
  (sōma, sōmatos) somatic
• somn:- sleep –LATIN– somnus
  insomnia
• somni:- dream –LATIN– somnium
• son:- sound –LATIN– sonus
  resonance
• soph:- wise –GREEK– σοφός
  (sophos) sophist
• sorb:-, sorpt:- suck –LATIN–
  sorbere absorb, absorption
• sord:- dirt –LATIN– sordes,
  sordere sordid
• soror:- sister –LATIN– soror
  sorority
• spati:- space –LATIN– spatium
  spatial
• spec:-, :-spic:-,
  spect:- look –LATIN– specere conspicuous, inspection,
  specimen
• spect:- watch, look at –LATIN–
  spectare spectator
• specul:- observe –LATIN–
  speculari speculation
• sper:- hope –LATIN– spes, sperare
  desperation, esperance
• sperm:- seed –GREEK– σπέρμα
  (sperma) angiosperm
• sphen:- wedge –GREEK– σφήν
  (sphēn)
• spher:- ball –GREEK– σφαῖρα
  (sphaira) sphere, spheroid
• sphinct:- closing –GREEK– σφίγγα
  sphincter
• spic:- spike –LATIN– spica
  spicule
• spin:- thorn –LATIN– spina spine
• spir:- breathe –LATIN– spirare
  respiration
• spond:-, spons:- a surety,
  guarantee; give assurance, promise solemnly –LATIN– spondere, sponsus
  respond
• spondyl:- vertebra
• spu:-, sput:- spew, spit –LATIN–
  spuere sputum
• squal:- scaly, dirty, filthy –LATIN–
  squalere squalid, squalor
• squam:- scale –LATIN– squama
  squamous
• squarros:- spreading at tips –LATIN–
• st:- stand –LATIN– stare, status
  stable, station, statistic, statue, status
• stagn:- pool of standing water –LATIN–
  stagnare stagnant
• stalact:- –GREEK– σταλακτίτης
  (stalaktitēs) stalactite
• stalagm:- –GREEK– σταλαγμός
  (stalagmos) stalagmite
• stann:- tin –LATIN– stannum
  stannous
• statu:-, :-stitu:-
  stand –LATIN– statuere institution, statute
• stea:- fat, tallow –GREEK– στέαρ,
  στέατος (stear, steatos)
• stearic acid steg:- covering –GREEK–
  steganography
• stell:- star –LATIN– stella
  constellation, stellar
• sten:- narrow –GREEK– στενός
  (stenos) stenography
• stere:- solid –GREEK– στερεός
  (stereos)
• stern:-, strat:- spread,
  strew –LATIN– sternere, stratus stratify
• stern:- breastbone –GREEK–
  στέρνον (sternon) sternum
• stich:- line, row –GREEK– στίχος
  (stichos)
• stig:- –GREEK– στίγμα (stigma)
  stigma
• still:- drip –LATIN– stilla,
  stillare distillation
• stimul:- goad, rouse, excite –LATIN–
  stimulus stimulate
• stingu:-, stinct:- apart –LATIN–
  stinguere distinction, distinguish
• stoch:- aim –GREEK– στόχος
  stochastic
• stom:- mouth –GREEK– στόμα
  (stoma) stomatoplasty
• strept:- twisted –GREEK– στρεπτός
  (streptos)
• strig:- compress –LATIN– strix,
  strigis strigogyps
• strigos:- having stiff bristles –LATIN–
• string:-, strict:-
  upright, stiff –LATIN– stringere, strictus stringent
• stroph:- turning –GREEK– στροφή
  (strophē) apostrophe
• stru:-, struct:- to make
  up, build –LATIN– struere, structus construction, construe
• stud:- dedication –LATIN– studere
  student
• stup:- wonder –LATIN– stupere
  stupor
• styl:- column, pillar –GREEK– στῦλος
  (stulos) stylus
• su:-, sut:- sew –LATIN–
  suere, sutus suture
• sui:- self –LATIN– sui sui
  generis, suicide
• suad:-, suas:- urge –LATIN–
  suadere, suasus persuasion
• suav:- sweet –LATIN– suavis suave
• sub:-, su:-, suf:-,
  sug:-, susbelow –LATIN– sub submerge, suffix, suggest
• subter:- under –LATIN– subter
  subterfuge
• sucr:- sugar –LATIN– sucrose
• sud:- sweat –LATIN– sudare
  sudoriferous
• sulc:- furrow –LATIN– sulcus
  sulcus
• sum:-, sumpt:- take –LATIN–
  sumere, sumptus assumption, consume
• super:- above, over –LATIN– super
  supersede
• supin:- lying back –LATIN–
  supinus supination
• supra:- above, over –LATIN– supra
  supranationalism
• surd:- deaf –LATIN– surdus
  absurdity
• surg:- rise –LATIN– surgere
  resurgent
• syn:-, sy:-, syl:-,
  sym:- with –GREEK– σύν (sun) symbol, symmetry, sympathy,
  synchronous, synonym, system
• syring:- pipe –GREEK– σύριγξ,
  σύριγγος (syrinx, syringos) syringe

T

1. tac:-, :-tic:-
   be silent –LATIN– tacere, tacitus reticent, tacit
2. tach:- swift –GREEK– ταχύς
   (tachus) tachometer, tachycardia
3. taeni:- ribbon –GREEK– ταινία
   (tainia) taenidium, taeniodont, Taeniolabis
4. tal:- ankle –LATIN– talus talus
   bone
5. tang:-, :-ting:-,
   tact:-, tag:- touch –LATIN– tangere, tactus
   contact, tactile, tangent
6. tapet:- carpet –LATIN– tapete,
   tapetis tapestry, tapetum, tapis
7. tard:- slow –LATIN– tardus
   retard, tardigrade, tardy
8. tars:- ankle –GREEK– ταρσός
   (tarsos, a flat basket) tarsal
9. taur:- bull –GREEK– ταῦρος
   (tauros) Minotaur
10. taur:- bull –LATIN– taurus Taurus
11. tax:- arrangement, order –GREEK–
    τάξις (taxis) taxonomy
12. techn:- art, skill –GREEK– τέχνη
    (technē) technology
13. teg:-, tect:- cover –LATIN–
    tegere, tectus integument, protection
14. tele:- far, end –GREEK– τῆλε
    (tēle) telegram, telephone, telescope
15. tele:- complete –GREEK– τέλος
    (telos) teleology
16. temn:- cut –GREEK– τέμνω (temnō)
    Temnospondyli
17. tempor:- time –LATIN– tempus,
    temporis contemporary, temporal, temporary
18. ten:-, :-tin:-,
    tent:- hold –LATIN– tenere, tentus continent, detention,
    tenacious, tenor
19. tend:-, tens:- stretch,
    strain –LATIN– tendere, tensus extend, extension
20. tenu:- slender, thin –LATIN–
    tenuis attenuate, tenuous
21. tep:- be warm –LATIN– tepere
    tepid, tepor
22. ter:-, trit:- rub –LATIN–
    terere, tritus attrition, contrite, detritus, trite
23. teret:- rounded –LATIN– teres,
    teretis subterete, teretial
24. terg:-, ters:- wipe –LATIN–
    tergere, tersus detergent, terse
25. termin:- boundary, limit, end –LATIN–
    terminus determine, terminal, termination
26. tern:- three each –LATIN– terni
    ternary, ternion
27. terr:- dry land –LATIN– terra
    subterranean, terrace, terracotta, terrain
28. terti:- third –LATIN– tertius
    tertian, tertiary
29. test:- witness –LATIN– testis
    testament, testimony
30. tetr:- four –GREEK– τέσσαρες (tessares)
    tetrahedron, tetrode
31. tex:-, text:- weave –LATIN–
    texere, textus context, texture, textile
32. thalam:- chamber, bed –GREEK–
    θάλαμος (thalamos)
33. thalass:- sea –GREEK– θάλασσα
    (thalassa) Panthalassa
34. than:- death –GREEK– θάνατος
    (thanatos) euthanasia
35. the:-, thus:- god –GREEK–
    θεός (theos) enthusiasm, theology
36. the:- put –GREEK– τίθημι
    (tithēmi), θήκη (thēkē) Bibliotheca, theca, theme, thesis
37. thel:- –GREEK–
    θηλή (thēlē)
38. theori:- speculation –GREEK–
    θεωρία (theōria) theorem, theory
39. ther:- beast, animal –GREEK– θήρ,
    θηρός (thēr) theroid, theropod
40. therm:- heat, warm –GREEK– θερμός
    (thermos) endotherm, thermometer
41. thym:- mood –GREEK– θυμός
    (thumos) dysthymia
42. thyr:- door –GREEK– θύρα (thura)
    thyratron
43. thyre:- large shield –GREEK–
    θυρεός (thureos) Thyreophora, thyroid, thyrotropin, thyroxine
44. tim:- be afraid –LATIN– timere
    timid, timorous
45. ting:-, tinct:- moisten –LATIN–
    tingere, tinctus tincture
46. tom:- cut –GREEK– τομή (tome),
    τόμος (tomos) ectomy, atom, tome
47. ton:- stretch –GREEK– τόνος
    (tonos) isotonic, monotone, tone
48. top:- place –GREEK– τόπος (topos)
    topic, topography
49. torn:- cut –LATIN– from –GREEK–
    tornare < τόρνος (tornos)
50. torpe:- numb –LATIN– torpere
    torpent, torpid, torpor
51. torqu:-, tort:- twist –LATIN–
    torquere, tortus extortion, torque, torture
52. tot:- all, whole –LATIN– totus
    subtotal, total, totality
53. tox:- arrow, bow –GREEK– τόξον
    (toxon)
54. trab:- beam –LATIN– trabs, trabis
    trabeculae
55. trachy:- rough –GREEK– τραχύς
    (trachus) trachea
56. trag:- goat –GREEK– τράγος
    (tragos) tragus
57. trah:-, tract:- draw, pull
    –LATIN– trahere, tractus subtrahend, tractor
58. trans:-, tra:-, tran:-
    across –LATIN– trans tradition, transcend, transportation
59. trapez:- four:-sided,
    table –GREEK– τράπεζα (trapeza) trapezius, trapezoid
60. traum:- wound –GREEK– τραῦμα
    (trauma) trauma, traumatic
61. trecent:- three hundred –LATIN–
    trecenti trecentennial, trecentillion
62. tredec:- thirteen –LATIN–
    tredecim tredecimal
63. treiskaidek:- thirteen –GREEK–
    τρεισκαίδεκα (treiskaideka) triskaidekaphobia
64. trem:- tremble –LATIN– tremere
    tremor
65. trema:- hole –GREEK– τρῆμα
    (trēma) trematode
66. tri:- three –GREEK– τρεῖς, τρία
    (treis, tria) triad, trigon, triode, tripod
67. tri:- three –LATIN– trēs
    triangle, triumvirate, trivia
68. tricen:- thirty each –LATIN–
    triceni tricenary
69. tricesim:-, trigesim:-
    thirtieth –LATIN– tricesimus trigesimal
70. trich:- hair –GREEK– θρίξ, τριχός
    (thrix, trichos) peritrichous, trichopathophobia, Trichoptera
71. trin:- three each –LATIN– trini
    trinary, trine, trinity
72. trit:- third –GREEK– τρίτος
    (tritos) tritagonist
73. troch:- wheel –GREEK– τροχός
    (trochos) trochlea
74. trop:- turning –GREEK– τρόπος
    (tropos) heliotropism, psychotropic, tropic
75. troph:- feed, grow –GREEK– τροφή,
    τροφός (trophos) dystrophy, pogonotrophy, trophic
76. trud:-, trus:-
    thrust –LATIN– trudere, trusus extrusion, intrude
77. tuss:- cough –LATIN– tussis,
    tussire pertussis
78. tympan:- drum –GREEK– τύμπανον
    (tumpanon) tympani
79. typ:- stamp, model –GREEK– τύπος
    (tupos) archetype, phenotype, typography

U

1. uber:- fruitful –LATIN– uber,
   uberare exuberant
2. uligin:- in marshes –LATIN–
   uligo, uliginis uliginous
3. ulo:- wooly –GREEK–
4. ultim:- farthest –LATIN– ultimus
   ultimatum, ultimate
5. ultra:- beyond –LATIN– ultra
   ultrasonic
6. umbilic:- navel –LATIN– umbilicus
   umbilical
7. umbr:- shade, shadow –LATIN–
   umbra penumbra, umbrella
8. un:- one –LATIN– unus, unius
   unary, unicorn, union
9. unc:- hooked –LATIN– uncus
   uncinate
10. unci:- ounce, twelfth –LATIN–
    uncia uncial
11. und:- wave –LATIN– unda abundant,
    undulate
12. undecim:- eleventh –LATIN–
    undecimus undecimal
13. unden:- eleven each –LATIN–
    undeni undenary
14. ungui:- claw, nail –LATIN– unguis
15. ungul:- claw, hoof –LATIN– ungula
    ungulate
16. ur:-, uro:- tail –GREEK–
    οὐρά (oura) uroid, uroborus
17. ur:-, uro:- urine –GREEK–
    οὖρον (ouron) urology
18. urb:- city –LATIN– urbs, urbis
    urban, urbanize, suburbanite, urbanism
19. urg:- work –LATIN– urgere urgent
20. urs:- bear –LATIN– ursus Ursa
    Major, ursine
21. ut:-, us:- use –LATIN–
    uti, usus usual, utility
22. uv:- grape –LATIN– uva uvea
23. uxor:- wife –LATIN–
    uxor uxoricide V

V

1. vac:- empty –LATIN– vacare
   vacancy, vacation, vacuum
2. vad:-, vas:- go –LATIN–
   vadere evade, pervasive
3. vag:- wander –LATIN– vagus,
   vagare vagabond, vague
4. van:- empty, vain, idle –LATIN–
   vanus vanity
5. vap:- lack (of) –LATIN– vapor
   evaporation, vapid, vaporize
6. veh:-, vect:- carry –LATIN–
   vehere, vectus vehicle, vector
7. vel:- veil –LATIN– velum
   revelation, velate
8. vell:-, vuls:- pull –LATIN–
   vellere, vulsus convulsion
9. veloc:- quick –LATIN– velox,
   velocis velocity
10. ven:- vein –LATIN– vena venosity
11. ven:- hunt –LATIN– venari venison
12. ven:-, vent:- come –LATIN–
    venire advent, convention
13. vend:- sell –LATIN– vendere
    vendor, vending
14. vener:- respectful –LATIN– venus
    veneration, venereal
15. vent:- wind –LATIN– ventus
    ventilation
16. ventr:- belly –LATIN– venter
    ventral
17. ver:- true –LATIN– verus aver,
    veracious, verify, verisimilitude, verity
18. verb:- word –LATIN– verbum
    verbal, verbatim, verbosity
19. verber:- whip –LATIN– verber
    reverberation
20. verm:- worm –LATIN– vermis
    vermiform
21. vern:- spring –LATIN– ver, vernus
    vernal
22. vert:-, vers:- turn –LATIN–
    vertere, versus convert, inversion, invert, vertical
23. vesic:- bladder –LATIN– vesica
    vesical
24. vesper:- evening, western –LATIN–
    vespera vesperal
25. vest:- clothe, garment –LATIN–
    vestis divest, vest
26. vestig:- track –LATIN– vestigium
    investigate
27. vet:- forbid –LATIN– vetare veto
28. veter:- old –LATIN– vetus,
    veteris inveterate, veteran
29. vi:- way –LATIN– via deviate,
    obvious, via
30. vic:- change –LATIN– vicis vice
    versa, vicissitude
31. vicen:-, vigen:- twenty –LATIN–
    viceni vicenary
32. vicesim:-, vigesim:-
    twentieth –LATIN– vicesimus vicesimary, vicesimation, vigesimal
33. vid:-, vis:- see –LATIN–
    videre, visus video, vision
34. vil:- cheap –LATIN– vilis vile,
    vilify
35. vill:- shaggy hair, velvet –LATIN–
    villus villiform
36. vin:- wine –LATIN– vinum vinous
37. vinc:-, vict:- conquer –LATIN–
    vincere, victus invincible, victory
38. vir:- man –LATIN–
    vir virility
39. vir:- green –LATIN– virere virid,
    viridian
40. visc:- thick –LATIN– viscum
    viscosity
41. viscer:- organs of the body cavity –LATIN–
    viscus, visceris eviscerate, visceral
42. vit:- life –LATIN– vita vital,
    vitamin
43. vitell:- yolk –LATIN– vitellus
    vitellogenesis
44. viti:- fault –LATIN– vitium vice,
    vitiate
45. vitr:- glass –LATIN– vitrum
    vitreous
46. viv:- live –LATIN– vivere revive,
    survive, vivid
47. voc:- voice –LATIN– vox, vocis
    provocative, vocal, vocation
48. vol:- fly –LATIN– volare volatility
    vol:- wish –LATIN– velle volition
49. volv:-, volut:- roll –LATIN–
    volvere, volutus convolution, revolve
50. vom:- discharge –LATIN– vomere
    vomit
51. vor:-, vorac:- swallow –LATIN–
    vorare, vorax devour, voracious
52. vov:-, vot:- vow –LATIN–
    vovere, votus votive
53. vulg:- common, crowd –LATIN–
    vulgus divulge, vulgarity, vulgate
54. vulner:- wound –LATIN– vulnus,
    vulneris vulnerable
55. vulp:- fox –LATIN– vulpes, vulpis
    vulpine

X

1. xanth:- yellow –GREEK– ξάνθος
   (xanthos) xanthogenic
2. xen:- foreign –GREEK– ξένος
   (xenos) xenophobia
3. xer:- dry –GREEK– ξηρός (xēros)
   xerography, xerophyte
4. xiph:- sword –GREEK– ξίφος
   (xiphos) xiphoid
5. xyl:- wood –GREEK– ξύλον (xulon)
   xylem, xylophone

Z

1. zo:- animal, living being –GREEK– protozoa, zoo, zoology
2. zon:- belt, girdle –GREEK– zone
3. zyg:- yoke –GREEK– – heterozygous, zygote
4. zym:- ferment —GREEK– – enzyme, lysozyme

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