178 VOCABULARY FOR TOEFL iBT
ROOT MEANING EXAMPLES
cis to cut scissors, precise, incisive
cla, clo, clu shut, close closet, enclose, preclude
claim, clam to shout, to cry out exclaim, proclaim, clamor
cli, clin to lean toward, bend decline, recline, proclivity
cour, cur running, a course recur, incursion, cursory
crat, cracy to govern democracy, autocracy, bureaucracy
cre, cresc, cret to grow creation, increase, increment
cred to believe, to trust incredible, credit, incredulous
cryp hidden crypt, cryptic, cryptography
cub, cumb to lie down succumb, incubate, incumbent
culp blame culprit, culpable, exculpate
dac, doc to teach doctor, indoctrinate, docile
dem people democracy, epidemic, pandemic
di, dia apart, through dialogue, diatribe, dichotomy
dic, dict, dit to say, to tell, to use words predict, dictionary, indict
dign worth dignity, indignant
dog, dox opinion dogma, orthodox, paradox
dol suffer, pain condolence, indolence, dolorous
don, dot, dow to give donate, endow, endow
dub doubt dubious, indubitable, dubiety
duc, duct to lead conduct, induct, conducive
dur hard endure, durable, obdurate
dys faulty, abnormal dysfunctional, dystopia, dyslexia
epi upon epidemic, epigram, epigraph
equ equal, even equation, equanimity, equivocate
err to wander err, error, erratic
esce becoming adolescent, coalesce, acquiesce
eu good, well euphoria, eulogy, euthanasia
fab, fam speak fable, famous, affable
fac, fic, fig, fait, to do, to make fiction, factory, feign
feit, fy
fer to bring, to carry, to bear offer, transfer, proliferate
ferv to boil, to bubble fervor, fervid, effervescent
fid faith, trust confide, fidelity, infidel
fin end final, finite, affinity
flag, flam to burn flame, flammable, inflammatory
flect, flex to bend deflect, reflect, flexible
flu, flux to flow fluid, fluctuation, superfluous