Roots, Prefixes, and Suffixes for Digital SAT

Prefix: a

without (apathy, amoral, asymmetrical)

Prefix: ab

away (absent, abduct, abnormal, abort)

Suffix: -cious, -uous

abounding in (vivacious, volumptuous)

Root: acu

sharp (acute, acupressure, acupuncture, acuity)

Root: agri

farming (agriculture, agrarian)

Root: alb

white (albino, albumen, albacore)

Prefix: amb

both (ambivalent, ambiguous, ambidextrous)

Root: ambul

walk, move (amble, ambulance, ambulant)

Root: amic

friendly (amicable, amicably, dynamic)

Prefix: ana

back (anachronism, anabasis)

Prefix: anti (ant)

against, opposite (antagonist, antidote, antibiotics)

Root: arche (archi)

primitive, origin (archaic, archaeology, archive)

Root: auto

self (autopilot, autonomous, autocratic)

Root: bel

war, fight (rebel, antebellum, bellicose)

Root: bene

good (benefit, benign, benevolent, benefactor)

Prefix: bi

two (bicycle, biceps, biscotti, biweekly)

Root: cata

intensive, according to (cataclysm, catastrophic, catalog)

Root: cede (cess, ced)

go, withdraw (recede, exceed, recession)

Suffix: ceive

take (receive, perceive, reconceive)

Root: cent

hundred (centennial, century, percent)

Root: cerebr

brain (cerebral, cerebrate)

Root: cert

sure (certain, ascertain, certify)

Root: chron

time (chronicle, chronology, anachronism)

Root: cide

kill (genocide, pesticide)

Root: circum

around (circumference, circumstance)

Root: clam (claim)

shout, speak (exclaim, clamor, proclaim)

Root: clar

clear (clarify, clarification, declare)

Root: clud (clus)

close (conclusion, seclude, conclude)

Root: clin (cline)

lean (inclination, incline, recline)

Prefix: co

with, together, joint (coauthor, cosign, collaborate, cooperate)

Root: cog

know (cognitive, incognito, cognition)

Prefix: con

together, common (connect, convention, concur)

Prefix: contra

against (contraband, contrary)

Root: corp

body (corporation, corpse, corporal)

Prefix: counter

opposing, contrary (counteract, counterintuitive, counteroffer)

Suffix: cracy (crat)

rule (democracy, democrat, theocracy, bureaucracy)

Root: cred

believe (incredible, credit, credulous, credence)

Root: crypt

hidden, secret (cryptic, encrypt)

Root: culp

blame, fault (culpable, exculpate, culprit)

Root: cumul

mass, heap (accumulate, cumulative)

Root: dem

people (democracy, demographics)

Prefix: di

twice, two (dilemma, diverse, dioxide)

Prefix: dia

across, through (dialogue, diameter, diagnosis)

Root: domin

master (dominate, predominate, domineering)

Root: don

give (donate, pardon, donor)

Root: dorm

sleep (dormitory, dormant, dormer)

Root: dur

harden, long lasting (durable, duration, endure)

Root: dyn

power, energy (dynamite, dynamic)

Suffix: ence (ance)

state, condition (performance, conference, insurance)

Root: esth (aesth)

beauty, feeling (esthetician, aesthetic, kinesthesia)

Root: ethn

nation, race (ethnicity, ethnology, ethnocentric)

Prefix: eu

good, well (euphemism, euphoria)

Prefix: ex

out, former (exit, ex-girlfriend, exterminate, extract)

Prefix: extra

beyond (extraordinary, extraterrestrial, extravagance)

Suffix: fer

carry, bring (transfer, ferry, conifer, confer)

Root: fid

trust (confidence, fidelity)

Root: flect (flex)

bend (reflect, flexible, inflect, deflect)

Root: fore

in front of, previous (before, therefore, forebode, forecast)

Root: fusc

dark (obfuscation, infuscate, subfuscous, fuscous)

Root: ger

old age (geriatrics, gerontology)

Root: grad (gress)

to step, to go (digress, gradual, graduate)

Root: gyn

woman (gynecology, androgynous, misogyny)

Prefix: homo (homeo)

same, alike (homogeneous, homonym, homeopath)

Prefix: hyper

over, beyond (hyperactive, hyperventilate)

Prefix: hypo

under (hypothermic, hypothesis, hypoglycemia)

Suffix: ian

related to (librarian, historian, pedestrian)

Root: idio

peculiar, distinct (idiotic, idiomatic)

Prefix: in/im

not (incapable, incomplete, informal, imperfect)

Prefix: infra

beneath (infrastructure, infrared)

Prefix: inter

between (interview, international, interstate)

Prefix: ir

not (irrational, irredeemable, irrelevant, irregular)

Prefix: iso

equal (isobar, isometric)

Root: lab

work (elaborate, laboratory, laborious, labor, collaborate)

Root: lat

broad, wide (dilate, latitude)

Root: laud

praise (laudably, applause, applaud)

Root: lex

word, law (lexicology, dyslexic, alexia, lexicon)

Root: loq

speech (loquacious, eloquent, colloquialism)

Root: luc

light (elucidate, lucid, translucent)

Prefix: macro

large, great (macroeconomics, macronutrients, macroevolution)

Root: mal

bad, evil (malignant, maltreat, malfeasance, malicious)

Root: medi

middle (mediocre, medium, medieval)

Root: melan

black, dark (melancholy, melanoma, melodrama)

Prefix: meta

change, beyond, after (metaphysics, metamorphosis, metastasis)

Prefix: micro

small (microscope, micronutrient)

Root: migr

move (immigrant, emigrate, migrant, migration)

Prefix: min

small (minimum, miniature, miniscule, minute)

Prefix: mis

wrong, bad (mistake, misinterpret, misogynist)

Root: miss (mit)

send, cast (remit, dismiss, missile, emit)

Prefix: mono

one (monotheism, monoglyceride)

Root: mort

death (mortuary, immortal, mortify)

Root: nat

born (innate, natural, natal)

Root: neg

no (negate, negative, renege)

Prefix: neo

new (neophyte, neonatal, neologistic, neocolonialism)

Root: nov

new (novice, renovate, novelty)

Root: null

none (nullify, nullification, nulliparity)

Prefix: ob (op)

in the way, against (object, objection, opposition, obscure)

Prefix: omni

all (omnipotent, omniscient, omnivorous)

Root: opt

best (optimal, optimum, optimize)

Suffix: ous

having (adventurous, hazardous, nauseous, joyous)

Root: oxy

sharp (oxymoron, oxidize)