PREFIXES

 

 

in, into,:  in, il, im, ir , en, intro – infiltrate. illuminate, import, irrigate, enlist, introduce

*inside, within:  intro, intra, endo – introspection, intravenous, endogenous

to, toward, ob:  ad, ac, ag, at – adjust, accommodate, aggression, attract, observe

*forth, forward:  pro – proclaim

beside, by:  para – parallel, paraphrase

*between, among:  inter, dia – intervene, dialogue

*outside:  extra, extro, epi- extraterrestrial, extrovert, epidermis

with, at the same time:  com, con, cor, syn, sym – company, contemporary, correlate,    synchronize, symphony

*after:  post – postwar, posterior

*before:  pre, ante, pro – precede, antebellum, prologue

down:  de – descend

*under, beneath:  sub – subway

*above, over:  super – superior, supersensitive

*back, backward:  re, retro – retreat, retroactive

around, about:  circum, peri – circumference, perimeter

through, throughout:  per – perennial

*across:  trans, dia- transport, transatlantic, diameter

beyond:  ultra, extra – ultrasonic, ultraconservative, extraordinary, extrapolate

apart:  se – secular, separate

from, away from:  ab, abs – absolve, abstain

off, away:  dis, di- dismiss, divert

*out, out of:  ex, ec – exit, expel, exorcist, eccentric

*not:  un, in, il, im, ir, dis, non, a – unpleasant, indecisive, illogical, impolite, irrelevant, disapprove, nonviolent, atypical;

*reversal:  un, de, dis, counter – unsettle, deregulate, disarm, countermand

*one, single, alone:  mono, mon, uni- monorail, monocular, uniform

*two, twice:  di, bi, bin- dioxide, bicycle, binocular

*three:  tri – triangle, tricycle

*four:  tetr, quadr – tetrahedron, quadrangle

*five:  pent, quintus – pentathlon, quintuplet

*six:  hexa, hex, sex – hexagon, sextet

seven:  help, sept, septem – heptagon, September

*eight:  oct – octet, October

*nine:  nove – November, novena

*ten, tenth:  centi, cent- century, cent

*thousand, thousandth:  milli, kilo – millimeter, kilometer, kilogram

*many, much:  poly, multi – polygon, polyester, multitude

first:  prot – proton, protagonist

*half:  hemi, semi – hemisphere, semicircle

*bad, badly:  mal, mis – malpractice, malignant, misfit, miserable

*wrong:  mis – misspell, mistake

*good, well:  bene – benefactor, benign

common, like:  homo – homogeneous, homogenized

like, same:  syn – synonymous, synonyms

 

SUFFIXES

*One who:  ant,ar, ent, er, ess, or –student,  servant, beggar, superintendent, teacher, waitress, actor

One who is:  ard, ee- employee, drunkard, payee

*One who practices:  ist – scientist, anarchist

Place for or with:  arium, ary, orium, ory – aquarium, solarium, library, auditorium, laboratory

*Art or skill of: ship – salesmanship, showmanship

State or quality of being:  ance, atioin, dom, ence, hood, ion, ism, ity, ment, ness, ship, sion, th, tion, ty, ure – tolerance, repentance, starvation, freedom, violence, childhood, champion, heroism, necessity, amusement, happiness, friendship, tension, length, attention, loyalty, failure

Doctrine of:  ism – Marxism, capitalism

*Study of:  ology – psychology, biology

*Small:  let, cle, cule, ette, - booklet, particle,,molecule, dinette, rivulet

*More than one:  s, a, es, e – cats, data, buildings, boxes, alumni

Relating to:  ial, al, ian, ic, ical – commercial, natural, urban, artificial, comical

Inclined to:  tive, acious, ant, ative, ent, ish, ive – combative, voracious, vigilant, demonstrative, competent, childish, instructive

Can be:  able, ible – readable, lovable, visible

*Full of:  ful, ous, ulent, y – careful, thoughtful, wondrous, turbulent, wordy

*Without:  less – careless, thoughtless

That which was:  en, ed – mistaken, baked, stolen

In what manner:  ily, ly – steadily, speedily, slowly

*To what extent:  ly – extremely, scarcely

*To make:  en – weaken, activate, strengthen, terrify, popularize

*To change tense or time:  ed, ed, ing – marched, talked, taken, singing