know

recognize, cognition, cognizance, incognito, diagnosis, agnostic, prognosis, gnostic, ignorant

against

contraversy, incontrovertible, contravene, contradict

body

corpse, corporeal, corpulence

world

cosmopolitan, cosmos, microcosm, macrocosm

CRAC, CRAT

rule, power

democracy, bueraucracy, theocracy, autocrat, aristocrat, technocrat

trust, believe

incredible, credulous, credence

grow

crescent, crescendo, accretion

blame, fault

culprit, culpable, inculpate, exculpate

run

current, concur, cursory, precursor, incursion

down, out, apart

depart, debase, debilitate, declivity, decry, deface, defamatory, defunct, delegate, demarcation, demean, demur, deplete, deplore, depravity, deprecate, deride, derivative, desist, detest

ten, tenth

decade, decimal, decathlon, decimate

people

democrat, demographics, demagogue, epidemic, pandemic, endemic

day

diary, diurnal, quotidian

across

diagonal, diatribe, diaphanous

speak

diction, interdict, predict, abdicate, indict, verdict, dictum

not, apart, away

disaffected, disband, disbar, disburse, discern, discordant, discredit, discursive, disheveled, disparage, disparate, dispassionate, dispirit, dissemble, disseminate, dissension, dissipate, dissonant, dissuade, distend, differentiate, diffidence, diffuse, digress, divert

teach

doctrine, docile, doctrinaire

pain

condolence, doleful, dolorous, indolent

lead

seduce, induce, conduct, viaduct, induct

self

ego, egoist, egocentric

in, into

enter, entice, encumber, endemic, ensconce, enthrall, entreat, embellish, embezzle, embroil, empathy

wander

erratic, aberration, errant

well, good

eulogy, euphemism, euphony, euphoria, eurythmics, euthanasia 

out, out of

exit, exacerbate, excerpt, excommunicate, exculpate, execrable, exhume, exonerate, exorbitant, exorcise, expatriate, expedient, expiate, expunge, expurgate, extenuate, extort, extremity, extricate, extrinsic, exult, evoke, evict, evince, elicit, egress, egregious 

make, do

factory, facility, benefactor, malefactor, fiction, fictive, beneficent, affect, confection, refectory, magnify, unify, rectify, vilify, feasible

deceive

false, infallible, fallacious

boil

fervent, fervid, effervescent

faith, trust

confident, diffidence, perfidious, fidelity

flow

fluent, flux, affluent, confluence, effluvia, superfluous

before

forecast, foreboding, forestall

break

fragment, fracture, diffract, fractious, refract

pour

profuse, infusion, effusive, diffuse

birth, class, kin

generation, congenital, homogenous, heterogenous, ingenious, engender, progenitor, progeny

step

graduate, gradual, retrograde, centigrade, degrade, gradation, gradient, progress, congress, digress, transgress, ingress, egress

writing

biography, bibliography, epigraph, grammar, epigram

pleasing

grateful, gratitude, gratis, ingrate, congratulate, gratuitous, gratituity

heavy

grave, gravity, aggravate, grieve, aggrieve, grievous

crowd, flock

segregate, gregarious, egregious, congregate, aggregate

have, hold

habit, inhibit, cohabit, habitat

by chance

happen, haphazard, hapless, mishap

sun

heliocentric, helium, heliotrope, aphelion, perihelion

other

heterosexual, heterogeneous, heterodox

whole

holocaust, catholic, holistic