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 | |