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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, nfancy, 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