List 1
ante(before)antedate, antecedent, antebellum, anterior, ante meridiem, antepenult
anti(against)anti-aircraft, antibody, anticlimax, anticline, antitoxin, antithesis
bi(two)bilateral, bicycle, binary, bimonthly, biped, bipolar, binocular, bicuspid
circum(around)circumnavigate, circumspect, circumvent, circumlocution,
com(together)combination, comfort, commensurate, common, complete, combo
con(together)contract, confidence, confine, confederate, conjunction, contact
de(down)descent, despicable, denounce, deduct, demolish, decrepit, deplete
dis(away)distract, distort, dispute, dissonant, disperse, dismiss, dissuade, disprove
equi(equal)equitable, equilateral, equivocate, equinox, equation, equilibrium
extra(beyond)extraterrestrial, extraordinary, extravagant, extrovert, extramural
inter(between)international, interdepartmental, interstellar, interject, interlude
intra(within)intracellular, intravenous, intracranial, intrastate, intrauterine
intro(into)introduce, introspective, introvert, introject, introrse, intromission
mal(bad)malevolent, malcontent, malicious, malign, malady, malapropism,
mis(bad)misfit, mistake, misfortune, misfire, misery, miser, misdeed, misguided
non(not)nonstop, nonprofit, none, nonconformity, nonplussed, nonchalant
post(after)postgraduate, posthumous, postscript, posterity, posterior, postlude
pre(before)prelude, preposition, premonition, premature, predict, predecessor
semi(half)semitone, semiaquatic, semicircle, semiweekly, semiannual, semiformal
sub(under)subterranean, subtract, subordinate, submarine, subterfuge, substantial
super(over)supervise, superb, superior, superfluous, supercilious, supernatural
syn(together)synthetic, synchronize, syndrome, synonym, synopsis, syntax
sym(together)sympathy, symbiosis, symbol, symmetry, symphony, symposium
tri(three)tricycle, triangle, triceps, triad, trichotomy, triceratops, trivia, trialogue
un(not)unfit, unequal, unequivocal, unearned, unconventional, untenable
List 2
archy(government)monarchy, oligarchy, hierarchy, anarchy, matriarchal, patriarchy
ard(always)drunkard, coward, braggart, laggard, dullard, sluggard, niggardly
cide(kill)herbicide, homicide, matricide, suicide, regicide, genocide, fratricide
ician(specialist)technician, musician, beautician, physician, statistician, clinician
itis(infection)appendicitis, tonsillitis, bursitis, arthritis, gastroenteritis, colitis
aqua(water)aquarium, aquatic, aquaplane, aqueduct, aquifer, aqueous, semiaquatic
audi(hear)audiophile, audience, audition, auditory, audiometer, audit, audiology
bell(war)bellicose, belligerent, bellow, rebel, casus belli, counterrebellion
cap(take)capture, captive, captor, captious, captivate, captivity, caption, capsule
cise(cut)excise, incisors, incision, circumcise, incisive, precise, concise, decision
bio(life)biography, biology, biomorphic, biochemistry, exobiology, biogenesis
auto(self)autobiography, automobile, autograph, automatic, automaton, autocracy
port(carry)transport, import, report, porter, deport, important, portage, portly
scrib(write)scribble, inscribe, scribe, describe, conscription, transcribe, ascribe
logy(science)biology, anthropology, geology, entomology, philology, mythology
dict(say)dictionary, predict, malediction, dictation, addict, interdict, contradict
cred(believe)credit, incredible, credible, incredulous, discredited, credibility, credo
cent(one hundred)century, bicentennial, centimeter, centipede, centurion, cent
neo(new)neologism, neophyte, neon, Neolithic, neoclassic, neoPlatonist, neonatal
ad(to)adhesive, adapt, addendum, addition, adherent, addict, advent, advocate
cede(go)recede, precede, antecedent, proceed, secede, concede, intercede, succeed
miss(send)dismiss, remiss, missile, admission, missionary, emission, promissory
centri(center)centrifugal, centripetal, centrist, concentric, decentralize, eccentric
biblio(book)bibliography, bibliophile, bibliolatry, bible, bibliomania, bibliophobia
anthropo (man)anthropology, anthropomorphic, anthropoid, lycanthrope
List 3
homo(same)homogenize, homonym, homophone, homologous
spec(look)spectacles, specter, specious, respect, inspect
duct(lead)conduct, ductile, induct, product, reduction, deduction, reproduction
fer(carry)transfer, infer, refer, defer, ferry, conifer, Lucifer, aquifer
pend (hang)pending, pendulum, pendant, impending, depend, pendulous, suspend
micro(small)micron, microscope, microwave, microphone, microcosm, microbiotic
hydro (water)hydroplane, hydroponics, dehydrate, hydrant, hydrogen, hydrophobia
photo(light) photograph, photometer, photon, photogenic, photosynthesis
pan(all)panorama, panoply, pandemic, pantheism, pantheon, pan American
penta(five)pentagram, pentagon, pentameter, pentathlon, pentarchy, pentahedron
tele(far)telescope, telephone, telekinesis, telepathy, teleology, telesthesia, telex
vid(look)video, invidious, Montevideo, evidence, provide, videogenic, vide, videlicet
omni(all)omnifarious, omnipotent, omnivorous, omniscient, omnibus, omnipresent
ex(out)exit, except, excise, exculpate, elucidate, exorbitant, eccentric, enumerate
poly(many)polyphony, polygyny, polygamy, allopolyploidy, polyvalent, polychrome
re(again)return, review, retouch, reiterate, retail, revive, regenerate, regurgitate
hypo(under)hypodermic, hypocrite, hypotenuse, hypothermia, hypothesis
pseudo(false)pseudonym, pseudopod, pseudomorphic, pseudoscience, pseudoevent
neuro(nerve)neuron, neorsurgeon, neurosis, neurology, neuralgia, neurotomy
tomy(cut)tonsillectomy, appendectomy, neurotomy, dichotomy, anatomy, lobotomy
hema(blood)hematogenosis, hematic, hematite, hematology, hematoma, hemal
proto(first)protoplasm, prototype, Protozoa, proton, protohuman, protomorphic
phon(sound)symphony, telephone, phonetic, phonograph, euphony, cacophony
mono(one)monotonous, monomania, monocular, monogamous, monolitihic, monotone
viv(life)vivid, vivisection, vivacious, convivial, bon vivant, viva, viviparous, revive
List 4
morph (shape)amorphous, morphology, polymorphous, mesomorph, protomorphic
vest(clothes)vestry, vestment, vestibule, vest, investiture, divest, divestiture
bene(good)benefit, benevolent, beneficial, benediction, benefactor, benign
pond(weight)ponderous, ponder, preponderant, pound, imponderable, compound
corp(body)corpulent, corporation, corporeal, corporal, corpse, corpuscle
dorm(sleep)dormitory, dormant, dormer, dormancy, dormitive, dormient
pater(father)paternalistic, patronize, paternity, patriarch, expatriate, paterfamilias
nov(new)novel, nova, novice, novitiate, Nova Scotia, innovation, renovate
punct(point)punctuate, punctilious, puncture, punctual, acupuncture, contrapuntal
ject(throw)eject, reject, conjecture, dejected, inject, subject, projection, interject
tion(act or state)completion, reaction, devastation, production, creation, transition
loco(place)locomotive, location, local, locus, relocate, dislocate, localize, locomotor
dox(opinion)orthodox, heterodox, doxology, indoctrinate, paradox
amphi (both)amphibious, amphitheater, amphibian, amphigory, amphibolous
magn(great)Magna Carta, magnanimous, magnate, magnificent, magnum opus
eu(good)Eucharist, euphony, eulogy, euphemism, Europe, eugenics, euglena
endo(within)endoplasm, endocrine, endogamous, endoskeleton, endothermic
phobia (fear)claustrophobia, acrophobia, xenophobia, agoraphobia, hydrophobia
ortho(straight)orthopedics, orthodontist, orthodox, orthography, orthogonal
put(think)reputation, putative, impute, dispute, computer, disreputable
ver(true)verify, veracity, veritable, verdict, verisimilitude, aver, cinema verite
matri(mother)matricide, matron, matriarch, matrimony, metropolis, matrilineal
mega(large)megalith, megaphone, megalomania, megalopolis, megahertz, megaton
pop(people)popular, populist, populate, population, popularize, populous
sangui (blood)sanguinary, sanguine, consanguinity, sangfroid, sangria
List 5
vita (life)vitamin, vitality, vital, revitalize, viable, vitalism, devitalize
demo(people)democracy, demography, undemocratic, democratize
stereo(solid)stereoscope, stereophonic, stereotype, stereopticon, stereotropism
ism(doctrine)Marxism, capitalism, Imagism, Cubism, nihilism, pluralism, tribalism
cogn(know)recognize, cognizant, incognito, cognoscenti, cognomen, precognition
sur(over)surplus, surpass, surcharge, surface, surfeit, surmount, surname, surtax
alter(other)alternator, alteration, alter ego, alternative, altruism, altercation
astr(star)astronomy, astrology, asteroid, disaster, asterisk, astrophysics, astrolabe
dyna(power)dynamic, dynamo, dynamite, dynasty, dynamometer, dinosaur
chron(time)chronometer, chronological, synchronize, chronic, anachronism
hyper(over)hyperactive, hyperventilate, hyperbole, hyperacidity, hypertension
luna(moon)lunar, lunatic, lunate, luna moth, lunette, sublunar, lunular
octa(eight)octameter, octagenarian, octagon, octarchy, octave, octopus, octahedron
gyro(turn)gyration, gyroscope, gyre, gyrate, spirogyra, gyromagnetic, gyrocompass
contra(against)contradict, contrary, contrast, contrapuntal, contraband, contravene
geo(earth)geography, geothermal, geology, geophysics, geometry, geosynchronous
helio(sun)Helios, heliotropic, heliocentric, heliograph, perihelion, aphelion
thermo(heat)thermostat, thermos, thermocentric, thermonuclear, thermocouple
tetra(four)tetrameter, tetrahedron, tetroxide, tetragon, tetrachloride, tetracycline
meter(measure)thermometer, millimeter, octameter, hydrometer, odometer
scope(look)telescope, microscope, periscope, radarscope, horoscope, electroscope
son(sound)sonar, unison, sonorous, song, sonnet, dissonance, resonant, supersonic
dec(ten)decade, decaliter, decimal, decagon, decathlon, decimate, duodecahedron
stell(star)interstellar, stelliform, stellar, constellation, stellate, stellify
amat(love)amatory, amateur, amorous, amiable, amigo, amour-propre, amity
List 6
germ(vital or related)germane, germinate, germicide, germinal, germ
greg(group)gregarious, egregious, gregariously, segregate, congregate, aggregate
mar(sea) marine, marina, ultramarine, maritime, mariner, marinate, submarine
prim(first)prime, primary, primate, primogeniture, primeval, prima donna, primo
pyro(fire)pyre, pyromania, pyrotechnic, pyrogenic, pyrophobia, pyrometer
clam(cry out)clamorous, exclamation, clamor, exclamatory, clamant, declaim
plu(more)plural, plurality, plus, pluralize, pluriaxial, pluralism, nonplussed
tang(touch)tangible, tangent, tangle, tango, tangential, cotangent, intangible
string(bind)stringent, string, stringy, astringent, stringer
liber(free)liberate, liberty, liberal, libertine, deliberate, libertarian
junct(join)junction, conjunction, juncture, disjunct, injunction, adjunct
clud(close)exclude, include, preclude, exclusive, occlude, conclude, cloister
se(apart)secede, secret, sedition, seduce, segregate, select, sedulous, separate
trib(pay)tribute, tributary, retribution, contribution, attribute, diatribe, distribute
dign(worthy)dignify, dignity, condign, dignitary, undignified, indignation
luc(light)lucid, translucent, lucidity, pellucid, Lucifer, elucidate, lucent, lucubrate
rupt(break)erupt, disrupt, rupture, corrupt, abrupt, incorruptible
grat(pleasing)gratifying, gratitude, ingrate, grateful, gratuitous, ingratiate
medi(middle)median, mediate, medium, mediocre, Mediterranean, in medias res
soph(wisdom)sophomore, sophisticated, sophist, philosophy, pansophy, theosophy
curr(run)current, undercurrent, currently, recurrent, currency, incur
tempor(time)temporal, contemporary, temporize, temporarily, tempus fugit
migr(wander)migrate, transmigration, migrant, migratory, emigrant, immigrant
trans(across)transfer, translate, transmit, transfusion, translucent, transcend
gamy(marriage)monogamy, polygamy, bigamy, gamete, autogamous, exogamy
List 7
numer(number)enumerate, numeral, numerous, supernumeraries, numerology
fort(strong)fortitude, fort, fortify, fortification, comfort, forte, fortissimo, pianoforte
osteo(bone)osteopath, osteology, osteopathy, osteoblast, osteocyte, osteotomy
ornith(bird)ornithology, ornithologist, ornithopter, ornithomancy, ornithosis
polis(city)metropolis, megalopolis, police, polite, policy, acropolis, necropolis
fus(pour)transfusion, infusion, refuse, fusillade, fusion, infuse, confusion
ego(I)egomaniac, egocentric, egotistical, egotist, egotize, egoism, alter ego
spir(breathe)inspire, respiration, perspiration, expire, spirit, aspire, conspire
dia(across)diagonal, diameter, dialogue, dialect, diatribe, diaphanous, dialectic
acr(sharp)acrimonious, acerbity, acrid, acridine, acrimony, lacerate
acro(high)acrobat, acronym, acropolis, acrophobia, acromegaly, acrocarpous
culp(blame)culprit, culpable, exculpate, inculpate, exculpatory
derm(skin)dermatologist, dermatitis, pachyderm, hypodermic, ectoderm, endoderm
zo(animal)zoo, protozoa, zoophilous, zooplankton, zoophagous, Mesozoic, zodiac
per(through)perception, perforation, percolate, perambulate, peregrination
pac(peace)pacify, pacific, pacifist, pacifier, pacifism, Pax Romana, pacification
brev(short)brevity, abbreviation, breviary, brevirostrate, brief
necro(death)necropolis, necromancer, necrophobia, necrotic, necrobiosis
urb(city)urban, urbane, suburbs, urbanite, urbanologist, urbanism
pugn(fight)pugnacious, repugnant, pugilist, impugn, oppugn, inexpugnable
ecto(outer)ectoderm, ectozoa, ectomorph, ectothermic, ectoplasm, ectoparasite
plasto(molded)plastic, dermoplasty, rhinoplasty, plaster, plasticity, plastid
agog(leader)demagogue, pedagogue, synagogue, agogics, pedagogy, mystagogue
cle(small)molecule, corpuscle, follicle, minuscule, ventricle, particle, vesicle
il(not)illegal, illiterate, illicit, ill-mannered, illogical, illegible, illiberal
List 8
sed(sit)sedentary, sediment, sedan, sedative, sedate, supersede, addiduous, insidious
leg(read)legible, legend, illegible, legendary, legibility, alleged
anim(mind)equanimity, animal, animated, animosity, magnanimous, animadversion
tort (twist)contorted, torture, tortuous, retort, distort, torturous, tort, tortilla
nym(name)homonym, acronym, pseudonym, anonymous, patronymic, anomaly
sanct(holy)sanctity, sanctimonious, sacrosanct, sanctuary, unsanctioned, sanctify
meta(change)metamorphosis, metaphor, metaphysics, metastasize, metabolism
petr(rock)petrify, petroleum, petrology, petroglyph, petrophilous, petrochemical
mir(wonder)miracle, mirage, mirror, mirabile dictu, admire, mirabilia, miracle play
man(hand)manual, manicure, manipulate, manacled, amanuensis, legerdemain
rect(right)correct, rectitude, direct, rectilinear, rectangle, rectify, rector, erect
volv(roll)revolve, involved, devolve, convoluted, volvox, revolution, convolvulus
demi(half)demigod, demitasse, demisemiquaver, demiurge, demimonde, demirep
retro(backward)retroactive, retrofire, retrogress, retrospection, retrofit, retrorse
sens(feel)sense, sensitive, sensation, sensory, extrasensory, insensate
fy(make)fortify, rectify, horrify, solidify, reify, transmogrify, sanctify, pacify
ocul(eye)binocular, monocular, ocular, oculist, oculomotor nerve, oculometer
cur(care for)cure, curator, curative, cure-all, sinecure, secure, curate
ultra(beyond)ultramarine, ultraconservative, ultraviolet, ultramundane
oid(appearance)android, anthropoid, asteroid, adenoid, xyloid, haploid
gest(carry)gestation, digest, ingest, congestion, gesticulate, gesture
apt(fit)adapt, aptitude, maladapted, adaptation, aptly, aptness
tact(touch)tactile, contact, tactics, tactician, tactful, intact
voc(voice)vociferously, vocal, sotto voce, invocation, vocabulary, convocation,
rid(laugh)ridicule, deride, derision, risibility, ridiculous
List 9
path(feeling)sympathy, pathetic, pathos, telepathy, empathy, apathy, idiopathy
a(not)amoral, amorphous, atheist, apolitical, apathy, agraphia, aphasia, achromatic
nomy(law)astronomy, economy, Deuteronomy, taxonomy, heteronomy, nomthetic
fid(faith)infidel, fidelity, confidence, diffident, bona fide, fiduciary, perfidy
caco(bad)qcacophony, cacography, cacodemon, cacoethes, cacodyl, cacology
hetero(different)heterodox, heteromorphic, heterogeneous, heterosexual, heteronym
sci(know)science, conscience, prescience, omniscience, scientism, sciomancy
graph(write)bibliography, photograph, autograph, polygraph, stenography
lat(side)bilateral, unilateral, lateral fin, multilateral, collateral, latitude, translate
lith(rock)Neolithic, Paleolithic, lithograph, megalith,
tract(pull)tractor, detract, retraction, attractive, protractor, contract, traction
in(in or not)inscribe, insane, infidel, indefinite, incorrigible, insomnia
co(together)cooperate, coordinating, coterminous, colloquy, coauthor, cotangent
phile(love)philosopher, audiophile, bibliophile, philologist, philanthropy
ine(nature of)porcine, crystalline, saturnine, canine, ursine, vulpine, bovine
-ar(relating to)pulsar, stellar, lunar, solar, secular, columnar, linear, circular
hexa(six)hexagram, hexagon, hexapod, hexameter, hexahedron, hexarchy
fract (break)fracture, infraction, fraction, refraction, refractory, fractious
platy(flat)plateau, platyhelminthes, platypus, plate, platitude, platyrrhine
theo(god)theology, pantheism, atheism, monotheism, apotheosis, henotheism
fin(end)final, define, infinite, finial, finis, Finisterre, infinitive, fin de siecle
hedron(sided object)polyhedron, tetrahedron, heptahedron, octahedron, icosahedron
ambul(walk)ambulatory, somnambulism, funambulist, ambulance, perambulate
ous(full of)luminous, glorious, loquacious, vivacious, garrulous, anomalous, zealous
topo(place)topographical, topology, topic, topiary, toponym, topognosia
List 10
ped (foot or child)orthopedist, pedagogue, centipede, expedition, pedestrian, pedestal
mort(death)mortal, mortician, mortified, immortality, mortuary, moribund
carn(flesh)carnivorous, incarnate, reincarnated, carnival, carnation, carnage
psych(soul)psychology, psychic, psychopathic, parapsychology, psychosis
ethno(race or culture)ethnocentrism, ethnic group, ethnography, ethnologist
gen(origin)genetics, hydrogen, progeny, engender, gene, ingenuous, indigenous
nat(born)prenatal, native, natural, nativity, nation, nascent, natal, perinatal
paleo(old)Paleozoic, Paleolithic, paleontologist, paleoanthropic, paleography
curs(run)cursive, discursive, incursion, precursor, cursory, cursorial, cursor
crypt(hidden)cryptic, cryptologist, crypt, cryptogram, encrypt, cryptesthesia
cad(fall)cascade, cadaver, cadence, cadenza, cadaverous, decadent
capit(head)decapitate, capital, recapitulate, capitulation, capitulum
loqu(talk)loquacious, circumlocution, eloquent, soliloquy, somniloquy, dialogue
sacro(holy)sacrosanct, sacred, sacrifice, sacrament, sacrilege, consecrate
uni(one)unicycle, universe, united, union, uniform, unison, unique, unicorn
ness(quality)softness, politeness, kindness, darkness, vagueness
alt(high)altitude, alto, altimeter, altar, altocumulus, altiplano
ics(art)politics, economics, aesthetics, graphics, ethics, calisthenics
iso(equal)isothermal, isometric, isosceles, isomer, isocracy, isotope
vert(turn)convert, revert, inverted, divert, vertex, controvert, extrovert, introvert
ate(cause)domesticate, implicate, create, procreate, insinuate, placate, dominate
cor(heart)core, concord, discord misericord, cordial, courageous, excoriate
ess(female)lioness, empress, princess, baroness, seamstress, governess
muta(change)mutant, mutation, mutagenice, mutable, mutability, transmutation, immutable
fug(flee)centrifuge, fugitive, tempus fugit, subterfuge, refugee, fugue
List 11
i(plural)bacilli, fungi, nuclei, alumni, magi, octopi, gemini, homunculi, literati
jus(law)justice, justify, unjust, jus soli, justiciary
lum(light)luminary, luminous, illuminate, luminiferous, superluminous
ann(year)annual, superannuated, anniversary, annuity, perennial
apo(away or up)apotheosis, apogee, apoplexy, apology, aphelion, apostasy
sen(old)senile, senior, senator, seniority, senescent
sol(alone)solitude, solitary, solo, soliloquy, desolate, solipsism, solifidian, consolidate
bas(low)bass, base, basic, basal, bassoon, debase, contrabase, abase, bas-relief
rogat(ask)interrogation, abrogate, derogatory, arrogate, supererogatory
parl(speak)parliament, parley, parlor, parlance, parlando
potent(power)potential, potentiometer, potentate, plenipotentiary, omnipotent
surg(rise)resurgence, insurgence, surge, surgent
log(word, reason)logic, neologism, philologist, logician, illogical, monologue
gram(writing)telegram, pentagram, hexagram, hologram, grammar
cant(sing)recant, cantata, incantation, descant, canticle, canto