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GRE Roots-Preffixes

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
a, an   without, not  
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ab, abs   apart, away from, off, down  
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ac, acr   harsh, bitter, sour, sharp  
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act, ag   to do, to drive, to force, to lead  
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ad, al   toward, near  
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aev, ev   age, era  
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agog   leader  
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agr   field  
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al, ali, allo, alter   other, another  
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alim   support, nourish, cherish  
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alt   high, deep  
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am   love, liking  
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amb, ambul   to go, to walk  
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ambi, amph,amphi   around, on, both sides, more than one  
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anim   life, breath, spirit, mind, soul  
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annu, anni, enni   year  
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ante   before  
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anti   against, opposite  
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anthro, andr   man, human  
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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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aqu, aqua   water  
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arch, archi, archy   first, chief, leader, ancient  
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arm, arma   weapons  
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astr, aster   star  
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aud, aus   hear, listen  
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aug, aux   increase  
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auto   self  
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be   to be, to have a particular quality, to exist  
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bel, bell   war  
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ben, bon   well, good, favorable  
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bi, dupl   two  
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bio   life  
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brev   short  
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cap, capit, cipit   head, headlong  
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cap, cept, cip   to hold, to seize, to take, to get  
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card,cord, cour   heart  
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carn   flesh, body  
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cata   down, downward  
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ced, ceed, cess   to go, to yield, to stop  
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celer   swift  
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centr   center  
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cern, cert, cret, crim, crit   separate, judge, distinguish, decide, perceive  
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chron   time, a long time  
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cide, cis   cut, kill  
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circu, circum   around  
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cit   to call, start  
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civ   citizen  
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clam, claim   call out, shout  
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cla, clo, clu   shut, close  
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clemen   mild, kind, merciful  
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cli, clin, cliv   lean, slope  
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co, col, com, con   together, with  
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bibl, cod   book  
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cogni, gn, gno   learn, know  
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contra, contro   against, opposite  
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corp   body  
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cosm   universe  
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cour, cur   run, course  
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cracy, crat   government, rule  
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cre, cresc, cret, cru   rise, grow  
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crea   bring forth, create  
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cred   believe, trust  
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crit   seperate, judge  
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cura   care  
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cycl, cyclo   circle, wheel, cycle  
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de, dif, dis   away, off, completely, reversal, negative  
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dec, deca   ten  
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dei, div   god  
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dem   people  
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derm   skin  
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dic, dict, dit   say, speak, pronounce  
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dac, doc, doct   teach, prove  
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dog, dox   opinion, belief, praise  
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dom, domin   master, lord  
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don, dot, dow   give  
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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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dur   hard, lasting  
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dyn, dynam   power, energy  
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dys   bad, faulty, abnormal  
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e, ef, ex   out, from, former, completely, apart  
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ecto   outside, external  
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ego   self  
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endo   within, inside  
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epi   upon, over, near  
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equ   equal  
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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   beyond, outside, more  
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fac, fic, fig, fait, feit, fy   do, make  
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fall, fals   deceptive, false, erroneous  
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fed   league, pact  
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fer   bear, carry, bring  
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fid   faith, trust  
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fin   end  
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flex, flect   bend  
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flu, fluct, flux   flow  
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forc, fort   brave, strong, chance  
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fra, frac, frag, fring   break  
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frat   brother  
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func   perform, discharge  
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gam   marriage  
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gen   birth, class, race, kind, generate  
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geo   earth  
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gloss, glot   language, tongue  
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grad, gress   step  
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graph, gram   write, draw, record  
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grat   pleasing  
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grav   serious, heavy, hamful  
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greg   flock, herd  
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gyn   woman  
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helio   sun  
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hemo   blood  
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herb   vegetation  
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her, hers, here   to stick  
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homo   same, alike  
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hydr, hydra, hydro   water  
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hyper   above, excessive, over  
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hypo   beneath, lower, under  
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ig, il, im, in, ir   not, without  
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im, in, em, en   in, on, upon, not  
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inter   among, between, within, mutual  
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jac, jact, ject   throw, fling  
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jur, jus, jud   swear, law, judge, just  
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lect, leg, lig   choose, select, law  
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lev   lift, light, rise  
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lex   word  
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liber, liver   free  
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liter   letter  
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loc, log, logo, ology   word, speech, to study/ stufy of  
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luc, lum, lus   light  
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lud, lus   play, game  
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mag, maj, max, macro   big, great  
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mal, male   bad, ill, evil, wrong  
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man   hand  
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mand   order, command  
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mania   obsession, madness  
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mar, mari, mer   sea, pool  
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mater, matr   mother  
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meta   change, at a later time, beyond  
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meter, metr   measure  
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min, micro   small  
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mis, mit   move, send  
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mob, mot, mov   move  
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mon, monit   warn, remind  
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mono   one, single  
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mort   death, mortal  
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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, nai   birth, be from, spring forth  
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nav   ship, sail  
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nic, noc, nox   harm  
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necro   dead corpse  
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neg   no  
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neo, nov   new, recent  
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neur   nerve  
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noct, nox   night  
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nom, nym, noun, nown   name, announce  
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non   not  
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num   number  
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ob, oc, of, op   toward, against, over  
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olig   few, little  
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omni   all, every  
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oper   work  
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opti, optic, opto   eye, vision, see, observe  
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ortho   straight, correct  
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os, oss, ost, osteo   bone  
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pac, peac   peace  
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pal, paleo   ancient, old  
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pan   all, every  
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par   equal  
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para   next to, beside  
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pas, path   feeling, disease, suffering  
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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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peri   around, near  
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pet, pit   to go, to seek, to strive  
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phil   love, fondness, preference  
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phobos   fear  
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phon   sound, voice  
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photo   light  
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phys, physio   nature  
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plac   please  
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poli   city, state, citizen  
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poly   many  
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pon, pos   put, place  
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pop   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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prehend, prise   to take, to get, to seize  
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prim   before, first  
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pro   much, for, a lot  
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proto   first, earliest  
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pseudo   false  
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psych   mind  
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pub   the public  
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punc, pung, poign   point, prick  
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put, putat   think, calculate  
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que, quis   ask, seek  
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re   back again, repeat  
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reg, rect   straight  
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rect, reg, regn   rule, govern  
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retro   backward  
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rid, ris   laugh  
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rog   ask  
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sacr, sanct, secr   sacred, holy  
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sci   know  
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scop   examine, observe, watch  
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scrib, scrip   write  
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se   away, apart  
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sec, sequ   follow  
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semi   half, partly  
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sens, sent   feel, be aware  
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sol, solv, solu   free, loosen, dissolve  
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somn   sleep  
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soph   wise, skillful  
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spec, spic, spit   see, look at  
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spir   breath, energy, animation  
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sta, sti, sist   stand, being in a place, position  
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strict, string   tight, drawn together  
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struc, struct   build  
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sub, sup   below, under, less  
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super, sur   over, above  
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syl, sym, syn, sys   together, with  
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tact, tang, tag, tig, ting   touch  
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tele   distance, far  
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tempo   time  
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ten, tain, tin   hold  
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tend, tens, tent, tenu   stretch, strive  
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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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therap   attend, treat  
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therm   warm, hot  
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tom   cut, section  
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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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trans   across, throught  
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trem, tremu   tremble, shake  
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turb   spin, confuse, disturb  
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typ, type   print  
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ult, ultra   last, beyond, excessive, on the other side of  
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un   not, reverse, undo, remove  
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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   empty  
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veh, vect   carry  
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ven, vent   come, move toward  
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ver   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   conquer  
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vid, vis   see, look  
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vir   man  
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vi, viv, viva   life, alive, lively, animated  
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voc, vok   call  
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vol   wish, choice  
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volv, volu   roll, turn  
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vor   eat, eat greedily  
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xen, xeno   stranger, foreigner  
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zo   animal  
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cad, cid   to fall, to happen by chance  
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di, dia   across, through, apart  
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apo   away  
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cant, cent, chant   to sing  
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cast, chast   cut  
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cryp   hidden  
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cub, cumb   to lie down  
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culp   blame  
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dign   worth  
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dol   suffer, pain  
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dub   doubt  
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esce   becoming  
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fab, fam   speak  
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ferv   to boil, to bubble  
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flag, flam   to burn  
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fore   before  
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fus   to pour  
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misc   mixed  
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pau, po, pov, pu   few, little, poor  
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pen, pun   to pay, to compensate  
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ple   to fill  
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plex, plic, ply   to fold, twist, tangle  
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prob   to prove, to test  
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pug   to fight  
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sal, sil, sault, sult   to leap, to jump  
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sua   smooth  
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tac, tic   to be silent  
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verd   green  
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vil   base, mean  
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min   to project, to hang over  
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nom   law order, rule  
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qui   quiet  
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caus, caut   burn, heat  
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cause, cuse, cus   cause, motive  
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chrom   color  
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dent, dont   tooth  
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fila, fili   thread  
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form   form, shape  
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gastr   stomach  
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germ   vital part  
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gest   carry, bear  
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glu, glo   lump, bond, glue  
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hypn   sleep  
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hetero   different  
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hum   earth, ground, man  
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ignis   fire  
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join, junct   join, meet  
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juven   young  
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lau, lav, lot, lut, luv   wash  
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loc, loco   place  
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loqu, locut   talk, speak  
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medi   half, middle, between  
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mem   remember  
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migra   wander  
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pend, pens, pond   hang, weigh, pay  
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phlegm   inflammation  
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plu, plur, plus   more  
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pneum   breath  
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portion   part, share  
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pot   power  
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rupt   break  
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salv, salu   safe, healthy  
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sat, satis   enough  
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sed, sess, sid   sit, be still, plan, plot  
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sen   old, to grow old  
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serv   save, serve  
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sign   sign, mark seal  
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simil, simul   like, resembling  
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solus   alone  
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sphere   ball, round  
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sume, sump   take, use, waste  
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thesis, thet   place, put  
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tox   poison  
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trib   pay, bestow  
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umbr, umber   shadow  
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vale, vali, valu   strength, worth  
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agere   act  
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caco   bad  
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tut   stand  
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corp, corps, corpus   body  
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di   two, double  
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ideo   idea  
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idio, idios   one's own  
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sin, syn   together, with  
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