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300 High Frequency Root Words for GRE

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Question
Answer
a/an   without, absence of, not  
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ab/abs   from, away, off  
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acer/acid/acri   harsh, bitter, sour  
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act/ag   drive, do, lead, act, move  
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acu   sharp  
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ad, ac, af, ag, al, an (before consonants)   to, toward  
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aev/ev   age, era  
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agog   leader  
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agr   field  
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ap, ar, as, at (before consonants)   to, toward  
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amb, ambul   to go, to walk  
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am   love, liking  
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aler   other  
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alt   high, deep  
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alim   support, nourish, cherish  
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ambi   around, on both sides  
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amph,amphi   around, double, on both sides  
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anthrop   mankind, human being  
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antiqu   old, ancient  
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appell   name, call upon  
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apt,ept   skill, ability  
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ant, anti   against, opposite  
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ant, ante   before  
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annu, anni, enni   yearly  
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anim   life, breath, spirit  
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aqu, aqua   water  
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arch   first, chief, rule, superior  
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arm, arma   weapons  
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art   art  
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astr, aster   star  
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bel, bell   war  
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ben, bon   well, good, favorable  
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bi   two, twice, double  
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bio   life  
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aud, audi, aus   bold, daring, listen, hear  
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aug, aux   increase  
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auto   self  
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be   thorougly, over  
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carn   flesh, body  
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cata   down, downward  
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ced, ceed, cess   yield, surrender, move, go  
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celer   swift  
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cap, capit   head  
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card,cord   heart  
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brev   short  
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cap, capt, cept, cip   hold, seize, take  
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centr   center  
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cent   hundred  
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cern   perceive  
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cert   certain  
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cli, clin, cliv   leaning, inclined, sloped  
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claud, claus, clos, clud, clus   shut, close  
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clemen   mild, kind, merciful  
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clam, claim   call out, shout  
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circu, circum   around  
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cit, citat   to call, start  
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civi   citizen  
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cid, cis   cut, kill  
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chron   time, a long time  
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corp   body  
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cosm   universe  
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cracy, crat   government, rule, strength  
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crea   bring forth, create  
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contra, contro   against, opposite  
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cogni, gno   learn, know  
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cod   book  
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co, col, com, con, cor   together, with  
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cour, cur   run, course  
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crit   seperate, judge  
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cre, cresc, cret, cru   rise, grow  
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cred   believe, trust  
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dec, deca   ten  
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de   from, down, away, against, thoroughly, intensive, prefix  
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cycl, cyclo   circle, wheel, cycle  
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cur, cura   care  
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dei, div   god  
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demi   partly  
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dem   common people  
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derm   skin  
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doc, doct   teach, prove  
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don   give  
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dif, dis   apart, away, negative, not  
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dia   across, through, between  
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dic, dict   say, speak, pronounce  
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di   two, double  
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dupl   double, two  
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dur   hard, lasting  
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dyn, dynam   power, energy  
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dys   bad, impaired, abnormal  
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dorm   sleep  
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drom, drome   run, step, arena  
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duc, duct   lead, pull  
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dom, domin   master, lord  
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dog, dox   opinion, belief, praise  
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equ   equal  
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epi   upon, over, near  
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endo   within, inside  
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ecto   outside, external  
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e/ex   apart, above, away, beyond, from, out, intensive  
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ego   I, self  
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erg   work  
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err   wander, mistake  
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eth, ethos   character  
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eu   good, well  
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extra, extro   besides, beyond, outside of, more  
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fin   end  
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fid   faith, trust  
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flex, flect   bend  
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flu, fluct, flux   flow  
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fed   league, pact  
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fer   bear, carry  
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fall, fals   deceptive, false, erroneous  
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fac, fic, fec   do, make  
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gam   marriage  
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geo   earth  
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gen   birth, class, descent, race, generate  
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frac, frag   break  
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fort   brave, strong, chance  
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frat   brother  
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func   perform, discharge  
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gloss, glot   language, tongue  
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grav, griev   serious, heavy, hamful  
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grat   pleasing  
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graph, gram   write, draw, record  
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grad, gress   step  
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homo   same, alike  
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hom, homo, human   man, humanity  
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hydr, hydra, hydro   water  
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getero   different, mixed, unlike  
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herb   vegetation  
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hemo   blood  
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helio   sun  
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gyn   woman  
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greg   flock, herd  
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jac, jact, ject   throw, fling  
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jur, jus, jud   swear, law, judge, just  
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inter   among, between, within, mutual  
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intra, intro   into, inward, within  
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ig, il, im, in, ir   not, without, causative prefix  
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in   in, on, upon, not, intensive prefix  
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hypo   beneath, lower, under  
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hyper   above, excessive, over  
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lect, leg, lig   read, choose  
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leg   law  
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lev   light  
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liber   free  
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library, libr   book  
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liter   letter  
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loc, log, loqu   word, speak, talk  
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lex   word  
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luc, lum, lus   light  
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lud   play, game  
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mcro   large, long  
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magn   great  
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mal   bad  
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mater, matr   mother  
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mega   great, large  
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meta   change, at a later time, beyond  
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meter, metr   measure  
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mar, mari   sea  
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mania   obsession  
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mand   order  
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man   hand  
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mon, monit   warn  
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mono   one, single  
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mob, mot, mov   move  
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mis   hatred, bad, improper, wrong  
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miss, mit   move, send  
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micro   small  
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min   small  
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mori, mort   death  
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morph   form, shape  
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multi   many  
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mut   change  
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nas, nat   birth, be from, spring forth  
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nav   ship  
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nec, nic, noc, nox   kill, death, harm  
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necro   dead corpse  
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neg   no  
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neo   new, recent  
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neur   nerve  
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neut, neutr   not either  
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noct, nox   night  
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nom, nomen, nym   name  
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non   not  
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nov   new  
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num   number  
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ob, oc, of, op   against  
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oper   work  
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opti, opto   eye, vision  
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omni   all, every  
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olig   few, little  
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pan   all, every  
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par   equal  
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para   beyond, related, alongside  
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pas, path   feeling, disease, suffering  
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pac   peace  
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os, oss, ost, osteo   bone  
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pal, paleo   ancient  
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ortho   straight, correct  
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pater, patr   father  
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ped   child  
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ped, pod   foot  
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pel, puls   drive, urge  
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per   through, completely  
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phon   sound, voice  
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phose, phot   light  
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phys, physio   nature  
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pict   panit  
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phobos   fear  
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pet   seek, request, assail  
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phil   love, fondness, preference  
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peri   around, near  
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popul   the people  
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port   carry, gate  
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post   after, behind  
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pre   before, earlier  
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poly   many  
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pon, pos   put, place  
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poli   city, state, citizen  
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plac   please  
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prehend, prehens   seize, grasp  
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prim   before, first  
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pro   in favor of  
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proto   first, earliest  
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quer, ques, quir, quis   ask, seek  
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re   back again, repeat  
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rect   straight  
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rect, reg, regn   rule, govern  
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pub   the public  
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punct   point, prick  
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put, putat   think, calculate  
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psych   mind  
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pseudo   false  
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scrib, script   write  
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se   away, apart  
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scop   examine, observe, watch  
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sci   know  
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rid, ris   laugh  
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rog, rogat   ask  
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sacr, sanct   sacred, holy  
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retro   backward  
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sec, sect, segm   cut  
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secu, sequ   follow  
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semi   half, partly  
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sens, sent   feel, be aware  
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somn   sleep  
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soph   wise, skillful, shrewd  
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solv, solu   free, loosen, dissolve  
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sol   sun  
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spec, spect, spic   see, look at  
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spir   breath, energy, animation  
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stas, stat   stand, being in a place, position  
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strict, string   tight, drawn together  
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struct   build  
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tele   distance, far  
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tempor   time  
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ten, tain   hold  
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tend, tens, tent   stretch, strive  
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tact, tang   touch  
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syl, sym, syn, sys   together, with  
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super, sur   over, above  
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sub, suc, suf, sug, sup, sus   below, under, less  
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term   end, limit  
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terr   land, the earth  
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terti   third  
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the, thei, theo   god  
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tom, tome, tomy   cut, section  
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therm, thermo   warm, hot  
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therap   attend, treat  
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top, topo   place, region  
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tors, tort, torqu   twist, turn  
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tract   drag, pull  
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tran, trans   across, throught  
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trem, tremu   tremble, shake  
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turb   spinning, confusion, disturbance  
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typ, type   type  
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ultra   beyond, excessive, on the other side of  
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un   not, reverse, undo, remove, intensive prefix  
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uni   one  
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urb   city  
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us, ut   use, useful  
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vac, vaca, vacu   empty  
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veh, vect   carry  
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ven, vent   come  
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ver, verc, veri   true  
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verb   word  
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vers, vert   turn, change  
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via   way, road  
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vict, vinc, vanq   conquer  
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vid, vis   see, look  
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vir   man  
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vit   life  
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viv, viva   alive, lively, animated  
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voc, voke   call  
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vol, voli   wish, choice  
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volv, volu   roll, turn  
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vor, vorac   devour, greedy  
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xen, xeno   stranger, foreigner  
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zo, zoo   animal  
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