Stem Word List #1 Stem 1-1 anti 1-2 bi 1-3 com 1-4 con 1-5 de 1-6 dis 1-7 equi 1-8 inter 1-9 mal 1-10 non 1-11 syn 1-12 ard 1-13 bell 1-14 extra 1-15 port Meaning (against) (two) (together) (with or jointly) (down) (away) (equal) (between) (bad) (not) (same) (always) (war) (beyond) (carry) Example Words antitoxin, anti-aircraft, antisocial, antiseptic bicycle, biweekly, bipolar, bilateral, binocular combination, comfort, common, complete, composition contract, confidence, conjunction, concur, convention descent, deduct, demolish, deplete, decelerate, decrepit distract, distort, dispute, disperse, dismiss, dissuade equitable, equivocate, equation, equilibrium, equanimity intervene, international, interject, interlude, intersection malevolent, malicious, malign, malady, malcontent, malaria nonprofit, nonstop, nonsense, nonfiction, nondescript synonym, synthetic, synchronize, syndrome, synopsis coward, dullard, laggard, drunkard, sluggard, braggart belligerent, bellow, rebellion, rebel, bellicose extraterrestrial, extraordinary, extravagant, extrovert transport, import, report, deport, important, portable Stem Word List #2 Stem 2-1 mis 2-2 post 2-3 pre 2-4 sub 2-5 tri 2-6 un 2-7 sym 2-8 archy 2-9 cide 2-10 ician 2-11 dict 2-12 cede 2-13 duct 2-14 photo 2-15 pend Meaning (wrong) (after) (before) (under) (three) (not) (same) (government) (kill) (specialist) (say) (go) (lead) (light) (hang) Example Words mistake, misfire, misguided, misfit, misprint, misnomer postgraduate, posthumous, postpone, postscript prelude, preposition, premonition, predict, predecessor subterranean, subtract, submarine, subterfuge, substitute tricycle, triangle, triceps, trivia, triceratops, triad unabridged, unfair, unfriendly, unfit, undone, unearned sympathy, symbol, symmetry, symphony, symbiosis monarchy, hierarchy, anarchy, matriarch, patriarch homicide, pesticide, matricide, suicide, genocide, patricide technician, physician, musician, beautician, pediatrician predict, addict, contradict, dictionary, dictate, malediction recede, precede, concede, intercede, succeed, proceed conduct, induct, product, deduction, reproduction, induct photograph, photon, photogenic, photometer, pendulum, pendant, depend, suspend, pending, impending Stem Word List #3 Stem 3-1 aqua 3-2 audi 3-3 cise 3-4 bio 3-5 auto 3-6 scrib 3-7 logy 3-8 cred 3-9 cent 3-10 ad 3-11 pseudo 3-12 proto 3-13 morph 3-14 pond 3-15 punct Meaning (water) (hear) (cut) (life) (self) (write) (science) (believe) (one hundred) (to or toward) (false) (first) (shape) (weight) (point) Example Words aquarium, aquatic, aquaplane, aqueduct audible, audiophile, audience, audition, auditory excise, incisors, incision, excise, cirmumcise biography, biology, biochemistry, biogenesis automatic, automobile, autograph, autocrat scribble, scribe, inscribe, describe, transcribe, ascribe biology, anthropology, geology, mythology, entomology credit, incredible, credible, incredulous, discredited century, bicentennial, centimeter, centipede, centurion adhesive, adapt, addendum, addition, advocate, adherent pseudonym, pseudoscience, pseudo pregnancy prototype, protoplasm, proton, protocol amorphous, metamorphosis, morphology, protomorphic ponder, ponderous, preponderant, imponderable punctuate, puncture, punctual, acupuncture Stem Word List #4 Stem 4-1 miss 4-2 biblio 4-3 homo 4-4 spec 4-5 micro 4-6 pan 4-7 tele 4-8 omni 4-9 ex 4-10 re 4-11 pop 4-12 astr 4-13 vita 4-14 dox 4-15 kilo Meaning (send) (book) (same) (look) (small) (all) (far) (all) (out) (again) (people) (star) (life) (opinion) (thousand) Example Words dismiss, missile, remiss, admission, emission, missionary bibliography, bibliophile, bible, bibliomania, bibliophobia homonym, homophone, homogenize, homogeneous spectacles, specter, speck, spectrum, respect, inspect micron, microscope, microwave, microphone, microcosm panorama, pandemic, Pandora, pantheon, panacea telescope, telephone, telekinesis, telepathy, television omnipotent, omnivorous, omniscient, omnipresent exit, except, excise, exculpate, excavate, exhale, extract return, review, reiterate, revive, regenerate, regurgitate populate, population, popular, popularize, populist astronomy, astrology, asterisk, asteroid, disaster vitamin, vitality, vital, revitalize, viable, devitalize paradox, orthodox, unorthodox, redox kilometer, kilowatt, kilogram, kiloton, kilobyte Stem Word List #5 Stem 5-1 phon 5-2 mono 5-3 viv 5-4 bene 5-5 dorm 5-6 pater 5-7 ject 5-8 tion 5-9 magn 5-10 phobia 5-11 helio 5-12 pyro 5-13 clud 5-14 trib 5-15 soph Meaning (sound) (one) (life) (good) (sleep) (father) (throw) (act or state of) (great) (fear) (sun) (fire) (close) (pay) (wisdom) Example Words symphony, telephone, cacophony, phonograph, phonetic monotonous, monotone, monologue, monotheism vivid, vivacious, revive, revival, vivisection, convivial benefit, benevolent, beneficial, benefactor, benign dormitory, dormant, dormancy, dormer paternity, paternalistic, patriarch, expatriate, paterfamilias eject, reject, conjecture, inject, subject, interject, dejected completion, reaction, devastation, creation, transition magnanimous, magnificent, magnum opus, magnify arachnophobia, claustrophobia, hydrophobia, coulrophobia Helios, heliocentric, heliograph, heliotropic, heliotropism pyromaniac, pyromania, pyrotechnic, pyrophobia exclude, include, preclude, conclude, seclude, conclusion tribute, tributary, retribution, contribution, attribute sophomore, sophisticated, philosophy, philosopher Stem Word List #6 Stem 6-1 put 6-2 matri 6-3 mega 6-4 ism 6-5 cogn 6-6 sur 6-7 alter 6-8 dyna 6-9 chron 6-10 contra 6-11 son 6-12 gamy 6-13 spir 6-14 culp 6-15 necro Meaning (think) (mother) (large) (belief in) (know) (over) (other) (power) (time) (against) (sound) (marriage) (breathe) (blame) (death) Example Words dispute, computer, compute, input, reputation, putative matriarch, matrimony, matricide, matron, maternal megaphone, megaton, mega structure, megalomania spiritualism, egoism, capitalism, Marxism, romanticism recognize, cognizant, incognito, precognition, cognition surplus, surpass, surcharge, surface, surname, surmount alternate, alternative, alter ego, altercation, alternator dynamite, dynamic, dynasty, dynamo, dinosaur chronometer, chronological, synchronize, chronic contradict, contrary, contrast, contraband, contraception sonar, unison, song, sonnet, resonate, supersonic monogamy, polygamy, bigamy, exogamy inspire, respiration, perspiration, conspire, aspire culprit, culpable, exculpate, culpability, inculpable necromancer, necrophobia, necrotic, necrophil, necrology Stem Word List #7 Stem 7-1 luna 7-2 octa 7-3 hyper 7-4 geo 7-5 meter 7-6 scope 7-7 dec 7-8 prim 7-9 clam 7-10 plu 7-11 cle 7-12 anim 7-13 tort 7-14 man 7-15 oid Meaning (moon) (eight) (over) (earth) (measure) (look) (ten) (first) (cry out) (more) (small) (mind) (twist) (hand) (appearance) Example Words lunar, lunatic, lunarscape, lunacy, circumlunar octagon, octave, octopus, octogenarian hyperactive, hyperventilate, hyperbole, hypertension geology, geothermal, geography, geometry, geophysics thermometer, millimeter, hydrometer, odometer telescope, microscope, electroscope, kaleidoscope decade, decimal, decathlon, decimate, decameter prime, primary, primate, primeval, prima donna, primo exclamation, clamor, clamorous, exclamatory plural, plus, pluralize, nonplussed, plurality particle, molecule, follicle, miniscule, ventricle animal, animated, equanimity, animosity, magnanimous contort, torture, retort, distort, tortilla, tortuous manual, manicure, manipulate, manage, manufacture android, asteroid, thyroid, tabloid, schizoid, celluloid Stem Word List #8 Stem 8-1 liber 8-2 junct 8-3 se 8-4 dign 8-5 luc 8-6 rupt 8-7 grat 8-8 medi 8-9 trans 8-10 fort 8-11 gest 8-12 nomy 8-13 sci 8-14 ar 8-15 carn Meaning (free) (join) (apart) (worthy) (light) (break) (pleasing) (middle) (across) (strong) (carry) (law) (know) (relating to) (flesh) Example Words liberate, liberal, liberty, deliberate, libertarian junction. juncture, conjunction, disjuncture, injunction secret, secede, seduce, segregate, separate, sedition dignify, dignity, dignitary, undignified, indignation lucid, translucent, Lucifer, lucidity, elucidate erupt, disrupt, rupture, corrupt, abrupt, incorruptible gratifying, gratitude, ingrate, grateful, gratuitous median, mediate, medium, mediocre, in medias res transfer, translate, transmit, transfusion, translucent fortitude, fort, fortify, fortification, comfort, forte gestation, digest, ingest, congestion, gesture astronomy, economy, taxonomy, heteronomy science, conscience, prescience, omniscience, scientism pulsar, stellar, lunar, solar, secular, linear, circular carnivorous, incarnate, reincarnated, carnival, carnage Stem Word List #9 Stem 9-1 polis 9-2 ego 9-3 dia 9-4 per 9-5 pac 9-6 brev 9-7 il 9-8 leg 9-9 sanct 9-10 meta 9-11 curs 9-12 cad 9-13 capit 9-14 ness 9-15 ate Meaning (city) (I) (across) (through) (peace) (short) (not) (read) (holy) (change or beyond) (run) (fall) (head) (quality) (cause to be) Example Words metropolis, megalopolis, police, policy, necropolis egomaniac, egocentric, egotistical, egoism, alter ego diagonal, diameter, dialogue, dialect, diatribe, dialectic perception, perforation, percolate, perambulate, pertain pacify, pacific, pacifist, pacifier, pacifism, pacification brevity, abbreviation, breviary, brief illegal, illiterate, illicit, ill-mannered, illogical, illegible legible, legend, legendary, legibility, alleged, illegible sanctity, sanctuary, sanctify, unsanctioned, sanctimonious metamorphosis, metaphor, metaphysics, metastasize cursive, incursion, cursory, cursor, precursor cascade, cadaver, cadence, decadent, cadaverous decapitate, capital, captain, caption, capitulation softness, redness, politeness, kindness, darkness graduate, coagulate, domesticate, implicate, insinuate Stem Word List #10 Stem 10-1 mir 10-2 rect 10-3 volv 10-4 demi 10-5 retro 10-6 sens 10-7 fy 10-8 ultra 10-9 apt 10-10 tact 10-11 i 10-12 lum 10-13 potent 10-14 mob 10-15 surg Meaning (wonder) (right) (roll) (half) (backward) (feel) (make) (beyond) (fit) (touch) (plural) (light) (power) (move) (rise) Example Words miracle, mirage, mirror, admire, mirabilia correct, rectitude, direct, rectangle, rectify, rectilinear revolve, involved, devolve, convoluted, revolution demigod, demitasse, demimonde, demigoddess retroactive, retrogress, retrospection, retrofit, retrospect sense, sensitive, sensation, sensory, extrasensory fortify, rectify, horrify, solidify, sanctify, pacify ultrasonic, ultraconservative, ultraviolet, ultramodern aptitude, adaptation, aptly, aptness, adapt, maladapted tactile, contact, tactics, tactician, tactful, intact fungi, alumni, magi, octopi, Gemini, nuclei luminary, luminous, illuminate, lumen potential, potentate, omnipotent, potentially mobility, mobile, immobile, mobilize, demobilize resurgence, insurgence, surge, surging Stem Word List #11 Stem 11-1 voc 11-2 path 11-3 a 11-4 hetero 11-5 graph 11-6 tract 11-7 in 11-8 co 11-9 ign 11-10 hexa 11-11 mel 11-12 epi 11-13 bon 11-14 eco 11-15 sequ Meaning (voice) (feeling) (not) (different) (write) (pull) (in or not) (together) (fire) (six) (song) (on) (good) (environment) (follow) Example Words vociferously, vocal, invocation, vocabulary, convocation sympathy, pathetic, pathos, telepathy, empathy, apathy amoral, amorphous, atheist, apathy, apolitical, agraphia heterodox, heteromorphy, heterosexual, heteronym bibliography, photograph, autograph, polygraph tractor, detract, retraction, attractive, protractor, contract inscribe, insane, infidel, indefinite, insomnia, incorrigible cooperate, coordinating, colloquy, coauthor, cotangent ignite, ignition, reignite, igneous, ignescent hexagram, hexagon, hexapod, hexameter, hexarchy melody, melodrama, melodious, melodeon epicenter, epidemic, epigram, epidermis, epigraph, epitaph bonanza, bona fide, bonus, bonny, bonhomie, bon mot ecology, economy, ecosystem, economist, ecologist consecutive, sequence, sequel, consequence, subsequent Stem Word List #12 Stem 12-1 fract 12-2 theo 12-3 fin 12-4 ous 12-5 ped 12-6 mort 12-7 psych 12-8 ethno 12-9 gen 12-10 loqu 12-11 ultima 12-12 lys 12-13 gress 12-14 osis 12-15 schizo Meaning (break) (god) (end) (full of) (foot or child) (death) (soul) (race or culture) (origin) (talk) (last) (break down) (step) (condition) (divide) Example Words fracture, infraction, fraction, refraction, refractory, fractious theology, pantheism, atheism, monotheism, apotheosis final, define, infinite, finish, infinitive, finite, finial luminous, glorious, loquacious, vivacious, boisterous orthopedist, pedicure, centipede, pedestrian, pediatrician mortal, mortician, mortified, immortality, mortuary psychology, psychic, psychopathic, psychosis ethnic group, ethnicity, ethnography, ethnologist genetics, hydrogen, progeny, engender, gene, indigenous loquacious, eloquent, soliloquy, dialogue, somniloquy ultimate, ultimatum, penultimate, Ultima Thule electrolysis, analysis, dialysis, analyst, catalyst regress, progress, aggression, aggressive, digress neurosis, psychosis, apotheosis, diagnosis, hypnosis schizophrenia, schism, schizocarp, schizoid, schizopod Stem Word List #13 Stem 13-1 uni 13-2 ics 13-3 vert 13-4 ess 13-5 muta 13-6 jus 13-7 sen 13-8 sol 13-9 log 13-10 gram 13-11 frat 13-12 ef 13-13 vore 13-14 caust 13-15 terr Meaning (one) (art) (turn) (female) (change) (law) (old) (alone) (word or reason) (writing) (brother) (out) (eating) (burn) (land) Example Words unicycle, universe, united, union, uniform, unicorn, unique politics, economics, aesthetics, graphics, ethics, calisthenics convert, revert, inverted, divert, vertex, extrovert, introvert lioness, empress, princess, baroness, seamstress, governess mutant, mutation, mutagenic, mutable, transmutation justice, justify, unjust, jus soli, justiciary senile, senior, senator, seniority, senescent solitude, solitary, solo, soliloquy, desolate, consolidate logic, neologism, philologist, logician, illogical, monologue telegram, pentagram, hexagram, hologram, grammar fraternity, fraternal, fratricide, fraternize effusive, effulgent, efflux, efficacy, effeminate, effluent omnivore, herbivore, carnivore, voracious, devour caustic, holocaust, cauterize, caustically, causticity extraterrestrial, subterranean, terrain, Mediterranean Stem Word List #14 Stem 14-1 reg 14-2 pro 14-3 act 14-4 fic 14-5 idio 14-6 nounce 14-7 an14-8 ab 14-9 struct 14-10 dys 14-11 ob 14-12 here 14-13 lingu 14-14 rat 14-15 liter Meaning (rule) (forward) (to do) (make) (peculiar) (tell) (without) (away) (build) (bad) (against) (stick) (tongue) (think) (letter) Example Words regal, regiment, regulate, regent, regicide, regime provide, pronounce, program, prospect, prognosis transact, react, action, activate, counteract, interact fortification, fiction, prolific, horrific, soporific idiot, idiosyncrasy, idiom, idiot savant denounce, pronounce, announce, renounce, enunciate anemia, anechoic, anaerobic, anorexia, anarchy abnormal, abjure, absent, abroad, abrupt, abduct, abdicate construct, destruct, substructure, instruction, infrastructure dysentery, dyslexia, dystrophy, dysfunction, dysphonia obstruct, obsolete, oblique, obstinate, objurgating coherence, adhesive, adhere, inherent, incoherent bilingual, linguist, linguistics, language rational, ratio, irrational, rationalize, rationale, irate literature, illiterate, preliterate, literally Stem Word List #15 Stem 15-1 in 15-2 form 15-3 milli 15-4 mem 15-5 labor 15-6 vac 15-7 tude 15-8 val 15-9 para 15-10 dom 15-11 cyclo 15-12 gno 15-13 cardio 15-14 ish 15-15 fore Meaning (in or not) (shape) (thousandth) (remember) (work) (empty) (state of) (worth) (beside or near) (rule) (circle) (know) (heart) (like) (front) Example Words inscribe, insane, infidel, inconsiderate, insomnia, induct formation, formative, formulate, formula, uniform, reform millimeter, millipede, milligram, million, milliliter memory, memorandum, commemorate, memorial, memoir laborious, collaborate, laboratory, elaborate, labored, labor vacant, vacuum, vacation, evacuate, vacuous, vacuity multitude, solitude, aptitude, gratitude, servitude, rectitude valiant, valid, equivalent, devaluate, evaluate, ambivalent paradox, parable, paradigm, paraphrase, parapsychology dominate, dominant, predominant, dominion, domain cyclone, bicycle, encyclopedia, recycle, cyclical agnostic, prognosis, diagnosis, Gnostic, ignominy cardiology, cardiovascular, cardiac, electrocardiogram outlandish, snobbish, ghoulish, squeamish, pinkish, foreboding, forecast, forethought, forehead, forefront Stem Word List #16 Stem 16-1 jur 16-2 sect 16-3 ize 16-4 monger 16-5 lent 16-6 ist 16-7 flu 16-8 pos 16-9 cracy 16-10 ideo 16-11 holo 16-12 par 16-13 flect 16-14 socio 16-15 quasi Meaning (swear) (cut) (make) (seller) (full of) (one who) (flow) (put) (government) (idea) (whole) (equal) (bend) (society) (somewhat) Example Words abjure, adjure, perjure, jury, jurisdiction, jurist, perjury intersect, dissect, bisect, section, sectarian, sector harmonize, synchronize, victimize, fossilize, mobilize fishmonger, warmonger, ballad monger, phrasemonger insolent, turbulent, excellent, succulent, indolent, virulent artist, anthropologist, atheist, bigamist, terrorist, evangelist confluence, fluid, influence, fluent, superfluous, effluent position, deposit, superimpose, transpose, depose, impose democracy, aristocracy, autocracy, bureaucracy, polycracy ideology, ideograph, ideologue, ideogram, idealism holocaust, hologram, holograph, holistic, holophrastic disparity, compare, incomparable, disparate, parity reflect, inflection, deflect, reflection, genuflect sociology, sociable, socialism, sociopath, dissociate quasi-military, quasi-stellar, quasi-official, quasi-successful