Common Roots, Prefixes, and Suffixes Root 1. act 2. aero 3. agr 4. alt 5. alter 6. ambul 7. amo, ami 8. ang 9. anim 10. ann, enn 11. anthro Meaning do air field high other walk, go love bend life, spirit year man 12. apt, ept 13. ast 14. aud 15. belli 16. biblio 17. bio 18. brev 19. cad; cas 20. cam 21. cap 22. cardi 23. cede, ceed 24. ceive, cept 25. centr 26. cert 27. chron 28. cip 29. claim, clam 30. clar 31. cline 32. clud 33. cogn 34. cord 35. cosm 36. crat 37. cred 38. cred 39. cur 40. cur suitable star hear war book life shorten fall field head heart go, yield take, receive center sure time take, receive shout clear lean shut know heart universe rule believe believe care run Examples action, actor, react, transact, enact aerobics, aerodynamics, aeronautics, aerate agriculture, agrarian, agronomy altitude, altimeter, alto alternate, alternative, altercation ambulance, amble, ambulatory, preamble amiable, amorous, amity angle, angular, rectangle, triangle animate, animosity, animal annual, anniversary, annuity, biennial anthropology, anthropoid, misanthrope, philanthropist adept, apt, aptitude, inept astronaut, astronomy, disaster, asterisk audience, auditorium, audible, audition bellicose, belligerent, rebellion Bible, bibliography, bibliophile biology, biography, biopsy abbreviate, abbreviation, brevity cadaver, cadence, cascade, decadence camp, campus, campaign, encamp cap, captain, capital, decapitate cardiac, cardiology concede, exceed, proceed, succeed accept, conception, exception, receive, reception central, eccentric, egocentric ascertain, certain, certify, certificate chronic, chronicle, chronological, synchronize incipient, participate, recipe, recipient acclaim, clamor, exclaim, proclaim clarify, clarity, declaration, declare decline, inclination, incline, recline conclude, exclude, include, preclude, seclude cognate, cognition, incognito, recognize accord, concord, cordial, discord cosmonaut, cosmos, cosmopolitan, microcosm aristocrat, autocratic, bureaucracy, democrat credit, discredit, incredible, credulous credit, credulous, discredit, incredible curable, cure, manicure, pedicure concur, current, excursion, occur, recur Root 41. cycle 42. dem 43. dic 44. div 45. doc 46. don 47. duc 48. fac 49. fer 50. fic 51. fig 52. firm 53. flect 54. form 55. fug 56. gen 57. grad 58. gram 59. graph Meaning circle people speak divide, part teach give lead, carry do, make bear, carry make form tightly fixed bend shape flee birth step letter write 60. grat 61. greg 62. hab, hib 63. hosp, host 64. hydr 65. imag 66. init 67. jud, jur, jus 68. junct 69. lab 70. lat 71. loc 72. log 73. luc, lum 74. lust 75. man 76. mar 77. mem 78. merge, mers 79. meter 80. migr 81. mim 82. miss, mit 83. mob pleasing gather hold host water like, likeness beginning law join work carry place word light shine hand sea mindful of dip measure move small send move Examples cycle, cyclone, bicycle, recycle democrat, demagogy, epidemic dictate, predict, contradict, verdict, diction divide, dividend, division, divorce docile, doctor, doctrine, document donate, donation, donor, predominate aqueduct, conduct, deduct, duct, educate, induct benefactor, factory, facsimile, manufacture conifer, ferry, infer, refer, transfer efficient, proficient, sufficient configuration, disfigure, effigy, figment, figure affirm, confirm, firmly, firmament, reaffirm deflect, inflection, reflection deform, form, reform, transformation, uniformity centrifuge, fugitive, refuge, refugee generate, generation, genealogy grade, gradual, graduation diagram, epigram, grammar, monogram autograph, paragraph, phonograph, photograph, telegraph congratulations, grateful, gratitude, ungrateful aggregate, congregation, gregarious, segregation exhibit, habit, habitat, habitual, prohibit hospice, hospital, hospitality, hostess, host dehydrate, hydrant, hydrogen image, imagine, imaginary, imagery, imagination initial, initiate, initiative judge, jury, justice adjunct, conjunction, injunction, juncture collaborate, elaborate, labor, laboratory collate, relate, translate allocate, dislocate, locate, location apology, dialogue, eulogy, monologue, prologue elucidate, lucid, translucent, illuminate, luminescent illustrate, illustrious, luster manual, manufacture, manuscript, manipulate marine, maritime, mariner, submarine commemorate, memory, memorial, remember emerge, merge, merger, submerge, immerse barometer, centimeter, diameter, thermometer emigrate, immigrate, immigrant, migrate mini, minimize, minor, minute dismiss, missile, mission, remit, submit automobile, mobile, mobilize, mobility Root 84. mort 85. mot 86. mut 87. narr 88. neo 89. not 90. noun, nun 91. nov 92. onym 93. opt 94. opt 95. ord 96. path 97. ped 98. pel 99. pend 100. phon 101. phys 102. plex, plic Meaning death move change tell new mark declare, state new name eye best row, lined up feeling foot drive hang sound nature fold 103. 104. 105. 106. plur pod poli pon, pos more foot city place 107. 108. 109. 110. 111. pop port pug pul quer, ques, quir ras rect reg rid rupt san scend sci scop people carry fight urge ask Examples immortal, mortal, mortician demote, motion, motor, promote commute, immutable, mutual, mutation narrate, narrative, narrator neonatal, neophyte, neoclassic denote, notable, notation, notice announce, denounce, enunciate, pronounce innovate, nova, novel, novelty, novice antonym, homonym, pseudonym, synonym optic, optician, optical, optometrist optimal, optimist, optimize, optimum extraordinary, order, ordinary, ordinal, ordinance antipathy, empathy, pathology, sympathy pedal, pedestrian, pedestal compel, expel, propel, repel append, appendix, pendulum, suspend microphone, phonics, phonograph, symphony physical, physician, physique complex, duplex, perplex, complicate, duplicate, implicate plural, pluralism, plurality, pluralistic podiatrist, podium, tripod cosmopolitan, metropolis, police, political exponent, opponent, postpone, proponent, compose, depose, deposit, position population, popular, populace import, export, portable, porter, transport impugn, pugnacious, pugilist, repugnant compulsion, compulsory, expulsion, repulse query, inquiry, inquest, quest, question, request scrape straight guide laugh bradk health climb know see abrasive, erase, rasp, razor correct, direct, direction, director, erect, rectify regal, regent, regulate, regulatory deride, derisive, ridicule, ridiculous abrupt, bankrupt, erupt, interrupt, rupture insane, insanity, sane, sanitary, sanitarium ascend, descent, descendent, transcend conscience, conscious, omniscient, science microscope, periscope, scope, stethoscope, telescope write describe, inscribe, prescribe, scribe, descript, script, transcript dissect, intersect, sect, section 112. 113. 114. 115. 116. 117. 118. 119. 120. 121. scribe, script 122. sect cut Root 123. sed Meaning settle Examples sedate, sedative, sedentary, sediment 124. sens, sent feel 125. 126. 127. 128. 129. 130. 131. 132. 133. 134. 135. 136. serv sign sim sist sol solve soph spec spir sta strict struct save mark like stand alone loosen wise see breathe stand make tight build 137. 138. 139. 140. 141. 142. 143. 144. 145. 146. 147. 148. 149. 150. 151. 152. 153. 154. 155. 156. 157. sum surg, surr tact tain ten term tex the therm tort tract trib trud, trus turb urb vac var ven ver vid vik highest rise touch hold stretch end weave god heat twist pull, drag give push confusion city empty different come truth see will sensation, sense, sensitive, sensible, sensory, assent, consent, dissent, sentimental conserve, preserve, reserve, reservoir insignia, signal, significant, signature similar, simile, simulate, simultaneous assist, consist, resist, subsist desolate, solitary, soliloquy, solo absolve, dissolve, resolve, solve, solvent philosopher, sophisticated, sophomore inspect, respect, spectacle, spectator, suspect conspire, conspirator, inspire, perspire, respiration stagnate, station, stationary, statue, status constrict, restrict, strict construct, destruct, destruction, instruct, instruction, structure sum, summary, summit, summons insurgent, resurgent, surge, insurrection, resurrect contact, intact, tact, tactile attain, contain, detain, retain tendency, tense, tension, tent determine, exterminate, term, terminal, terminate context, text, textile, texture atheism, monotheism, polytheism, theology thermal, thermometer, thermos contort, retort, tort, torture attract, detract, contract, subtract, traction, tractor attribute, contribute, tribute intrude, intruder, protrude, abstruse, intrusive disturb, perturb, turbulent urban, suburb, suburban evacuate, vacate, vacant, vacation, vacuum invariable, variant, variety, vary advent, convent, convene, convention, invent, venue aver, veracity, verdict, verify evidence, video, provide, providence benevolent, malevolent, volition, voluntary, volunteer advocate, convocation, evocation, vocal evolve, involve, revolve, revolver, revolution carnivorous, herbivore, omnivore, voracious 158. voc 159. volve 160. vor voice roll eat Prefix 1. ad2. amphi3. an4. auto5. co6. de7. dis8. for9. il10. im11. im- Meaning to both, around not self together opposite opposite not not into not 12. in- not 13. ir14. mal- not bad 15. pro16. pro17. re18. re19. sub- before forward again back under 20. trans21. un- across not Examples adapt, addict, adhere, admit amphibian, amphitheater anarchy, anesthesia, anorexia, anonymous automobile, automatic, autograph, autobiography coauthor, cognate, coincide, cooperate, coordinate deactivate, deform, degrade, deplete, descend disagree, disarm, discontinue, disgust, dishonest forbid, forget, forego illegal, illegible, illegitimate, illiterate, illogical immediate, immerse, immigrate, implant, import imbalance, immaculate, immature, immobilize, impossible inaccurate, inactive, inadvertent, incognito, indecisive irregular, irreconcilable, irredeemable, irresponsible maladjusted, malaise, malevolent, malfunction, malice prognosis, progeny, program, prologue, prophet proceed, produce, proficient, progress, project redo, rewrite, reappear, repaint, relive recall, recede, reflect, repay, retract subcontract, subject, submarine, submerge, subordinate, subterranean transatlantic, transcend, transcribe, transfer, translate unable, uncomfortable, uncertain, unhappy Suffix 1. –ade 2. –age 3. –ant 4. –cle 5. –dom 6. –ent 7. –ful 8. –ic 9. –less 10. –let 11. –ly 12. –ly 13. –ment 14. –ment 15. –ment 16. –or Meaning action or process action or process one who small state or quality of one who full of relating to without small resembling every action or process action or quality of product or thing one who Examples blockade, escapade, parade marriage, pilgrimage, voyage assistant, immigrant, merchant, servant corpuscle, cubicle, particle boredom, freedom, martyrdom, wisdom resident, regent, superintendent careful, fearful, joyful, thoughtful comic, historic, poetic, public ageless, careless, thoughtless, tireless islet, leaflet, owlet, rivulet, starlet fatherly, motherly, scholarly daily, weekly, monthly, yearly development, embezzlement, government amusement, amazement, predicament fragment, instrument, ornament actor, auditor, doctor, donor