General Roots and PrefixesRoot or Prefix Meaning Examplesa, an not, without atheist, anarchy, anonymous apathy, aphasia, anemia, atypical, anesthesiaab away from absent, abduction, aberrant, abstemious, abnormal, abstract, absorbacro high, tip, top acrobat, acrophobia, acronym, acromegalyad to, toward admit, addition, advertisement, adherent, admonish, address, adhesive, adept, adjustalt high altitude, altimiter, alto, contralto, altocumulusambul to walk ambulatory, amble, ambulance, somnambulist, perambulate, preambleante before anteroom, antebellum, antedate antecedent, antediluviananti, ant against, opposite antisocial, antiseptic, antithesis, antibody, antichrist, antinomies, antifreeze, antipathy, antigen, antibiotic, antidote, antifungal, antidepressantaudi to hear audience, auditory, audible, auditorium, audiovisual, audition, audiobookauto self automobile, automatic, autograph, autonomous, autoimmune, autopilot, autobiographybe thoroughly bedecked, besmirch, besprinkled, begrudge, begrime, belie, bemoanbell war belligerent, antebellum, bellicose, rebelbene good, well benefactor, beneficial, benevolent, benediction, beneficiary, benefitbi twobicycle, bifocals, biceps, billion, binary, bivalve, bimonthly, bigamy, bimetal, biathlete, bicarbonatecede, ceed, cess to go, to yield succeed, proceed, precede, recede, secession, exceed, succession, excess chron time chronology, chronic, chronicle, chronometer, anachronismcide, cis to kill, to cut fratricide, suicide, incision, excision, circumcision, precise, concise, precision circum around circumnavigate, circumflex, circumstance, circumcision, circumference, circumorbital, circumlocution, circumvent, circumscribe, circulatoryclud, clus claus to close include, exclude, clause, claustrophobia, enclose, exclusive, reclusive, conclude, precludecon, com with, together convene, compress, contemporary, converge, compact, confluence, concatenate, conjoin, combine, convert, compatible, consequencecontra, counter against, opposite contradict, counteract, contravene, contrary, counterspy, contrapuntal, contrabandcred to believe credo, credible, credence, credit, credential, credulity, incredulous, creed, incrediblecommun to sharecommune, community, communism, communicable, communication, commonality, incommunicadocycl circle, wheel bicycle, cyclical, cycle, encliclical, motorcycle, tricycle, cyclonede from, down, away detach, deploy, derange, deodorize, devoid, deflate, degenerate, deice, descend, derail, depress, depart, decompose, destructiondei, div God, god divinity, divine, deity, divination, deifydemo people democracy, demagogue, epidemic, demographicdia through, across, between diameter, diagonal, dialogue, dialect, dialectic, diagnosis, diachronic, diagram, diaphragmdict speak predict, verdict, malediction, dictionary, dictate, dictum, diction, indict, contradict dis, dys, dif away, not, negative dismiss, differ, disallow, disperse, dissuade, disconnect, dysfunction, disproportion, disrespect, distemper, distaste, disarray, dyslexiaduc, duct to lead, pull produce, abduct, product, transducer, viaduct, aqueduct, induct, deduct, reduce, inducedyn, dyna power dynamic, dynamometer, heterodyne, dynamite, dynamo, dynastyecto outside, external ectomorph, ectoderm, ectoplasm, ectopic, ectothermalendo inside, withing endotoxin, endoscope, endogenousequi equal equidistant, equilateral, equilibrium, equinox, equitable, equation, equatore, ex out, away, from emit, expulsion, exhale, exit, express, exclusive, enervate, exceed, explosionexter, extra outside of external, extrinsic, exterior, extraordinary, extrabiblical, extracurricular, extrapolate, extraneous, exterminator, extract, extradite, extraterrestrial, extrasensory, extravagant, extremeflu, flux flow effluence, influence, effluvium, fluctuate, confluence, reflux, influxflect, flex to bend flexible, reflection, deflect, circumflex, inflection, reflexgraph, gram to write polygraph, grammar, biography, graphite, telegram, autograph, lithograph, historiography, graphic, electrocardiogram, monogramhetero other heterodox, heterogeneous, heterosexual, heterodynehomo same homogenized, homosexual, homonym, homophonehyper over, above hyperactive, hypertensive, hyperbolic, hypersensitive, hyperventilate, hyperkinetic, hyperlink, hypertext, hypersonic, hypertrophyhypo below, less than hypotension, hypodermic, hypoglycemia, hypoallergenic, hypothermia, hypothesisin, im not inviolate, innocuous, intractable, innocent, impregnable, impossibleinfra beneath infrared, infrastructure, infrasonicinter, intro between international, intercept, intermission, interoffice, internal, intermittent, introvert, introduceintra within, into intranet, intracranial, intravenous, intramural, intramuscular, intraocularjac, ject to throw reject, eject, project, trajectory, interject, dejected, inject, ejaculatemal bad, badly malformation, maladjusted, dismal, malady, malcontent, malfeasance, maleficent, malevolent, malice, malaria, m