Most Common Roots, Prefixes & Suffixes

	A	B	C	D
1
2	Important SAT Roots, Prefixes, & Suffixes
3	Type	Word Part	Meaning	Examples

4	Prefix	a	without	apathy, amoral, asymmetrical
5	Prefix	ab	away	absent, abduct, abnormal, abort
6	Suffix	-cious, -uous	abounding in	vivacious, volumptuous
7	Root	acu	sharp	acute, acupressure, acupuncture, acuity
8	Root	agri	farming	agriculture, agrarian
9	Root	alb	white	albino, albumen, albacore
10	Prefix	amb	both	ambivalent, ambiguous, ambidextrous
11	Root	ambul	walk, move	amble, ambulance, ambulant
12	Root	amic	friendly	amicable, amicably, dynamic
13	Prefix	ana	back	anachronism, anabasis
14	Prefix	anti (ant)	against, opposite	antagonist, antidote, antibiotics
15	Root	arche (archi)	primitive, origin	archaic, archaeology, archive
16	Root	auto	self	autopilot, autonomous, autocratic
17	Root	bel	war, fight	rebel, antebellum, bellicose
18	Root	bene	good	benefit, benign, benevolent, benefactor
19	Prefix	bi	two	bicycle, biceps, biscotti, biweekly
20	Root	cata	intensive, according to	cataclysm, catastrophic, catalog
21	Root	cede (cess, ced)	go, withdraw	recede, exceed, recession
22	Suffix	ceive	take	receive, perceive, reconceive
23	Root	cent	hundred	centennial, century, percent
24	Root	cerebr	brain	cerebral, cerebrate
25	Root	cert	sure	certain, ascertain, certify
26	Root	chron	time	chronicle, chronology, anachronism
27	Root	cide	kill	genocide, pesticide
28	Root	circum	around	circumference, circumstance
29	Root	clam (claim)	shout, speak	exclaim, clamor, proclaim
30	Root	clar	clear	clarify, clarification, declare
31	Root	clud (clus)	close	conclusion, seclude, conclude
32	Root	clin (cline)	lean	inclination, incline, recline
33	Prefix	co	with, together, joint	coauthor, cosign, collaborate, cooperate
34	Root	cog	know	cognitive, incognito, cognition
35	Prefix	con	together, common	connect, convention, concur
36	Prefix	contra	against	contraband, contrary
37	Root	corp	body	corporation, corpse, corporal
38	Prefix	counter	opposing, contrary	counteract, counterintuitive, counteroffer
39	Suffix	cracy (crat)	rule	democracy, democrat, theocracy, bureaucracy
40	Root	cred	believe	incredible, credit, credulous, credence
41	Root	crypt	hidden, secret	cryptic, encrypt
42	Root	culp	blame, fault	culpable, exculpate, culprit
43	Root	cumul	mass, heap	accumulate, cumulative
44	Root	dem	people	democracy, demographics
45	Prefix	di	twice, two	dilemma, diverse, dioxide
46	Prefix	dia	across, through	dialogue, diameter, diagnosis
47	Root	domin	master	dominate, predominate, dominerring
48	Root	don	give	donate, pardon, donor
49	Root	dorm	sleep	dormitory, dormant, dormer
50	Root	dur	harden, long lasting	durable, duration, endure
51	Root	dyn	power, energy	dynamite, dynamic
52	Suffix	ence (ance)	state, condition	performance, conference, insurance
53	Root	esth (aesth)	beauty, feeling	esthetician, aesthetic, kinesthesia
54	Root	ethn	nation, race	ethnicity, ethnology, ethnocentric
55	Prefix	eu	good, well	euphemism, euphoria
56	Prefix	ex	out, former	exit, ex-girlfriend, exterminate, extract
57	Prefix	extra	beyond	extraordinary, extraterrestrial, extravagance
58	Suffix	fer	carry, bring	transfer, ferry, conifer, confer
59	Root	fid	trust	confidence, fidelity
60	Root	flect (flex)	bend	reflect, flexible, inflect, deflect
61	Root	fore	in front of, previous	before, therefore, forebode, forecast
62	Root	fusc	dark	obfuscation, infuscate, subfuscous, fuscous
63	Root	ger	old age	geriatrics, gerontology
64	Root	grad (gress)	to step, to go	digress, gradual, graduate
65	Root	gyn	woman	gynecology, androgynous, misogyny
66	Prefix	homo (homeo)	same, alike	homogeneous, homonym, homeopath
67	Prefix	hyper	over, beyond	hyperactive, hyperventilate
68	Prefix	hypo	under	hypothermic, hypothesis, hypoglycemia
69	Suffix	ian	related to	librarian, historian, pedestrian
70	Root	idio	peculiar, distinct	idiotic, idiomatic
71	Prefix	in/im	not	incapable, incomplete, informal, imperfect
72	Prefix	infra	beneath	infrastructure, infrared
73	Prefix	inter	between	interview, international, interstate
74	Prefix	ir	not	irrational, irredeemable, irrelevant, irregular,
75	Prefix	iso	equal	isobar, isometric
76	Root	lab	work	elaborate, laboratory, laborious, labor, collaborate
77	Root	lat	broad, wide	dilate, latitude
78	Root	laud	praise	laudably, applause, applaud
79	Root	lex	word, law	lexicology, dyslexic, alexia, lexicon
80	Root	loq	speech	loquacious, eloquent, colloquialism
81	Root	luc	light	elucidate, lucid, translucent
82	Prefix	macro	large, great	macroeconomics, macronutrients, macroevolution
83	Root	mal	bad, evil	malignant, maltreat, malfeasance, malicious
84	Root	medi	middle	mediocre, medium, medieval
85	Root	melan	black, dark	melancholy, melanoma, melodrama
86	Prefix	meta	change, beyond, after	metaphysics, metamorphosis, metastasis
87	Prefix	micro	small	microscope, micronutrient
88	Root	migr	move	immigrant, emigrate, migrant, migration
89	Prefix	min	small	minimum, miniature, miniscule, minute
90	Prefix	mis	wrong, bad	mistake, misinterpret, misogynist
91	Root	miss (mit)	send, cast	remit, dismiss, missle, emit
92	Prefix	mono	one	monotheism, monodiglyceride
93	Root	mort	death	mortuary, immortal, mortify
94	Root	nat	born	innate, natural, natal
95	Root	neg	no	negate, negative, renege
96	Prefix	neo	new	neophyte, neonatal, neologistic, neocolonialism
97	Root	nov	new	novice, renovate, novelty
98	Root	null	none	nullify, nullification, nulliparity
99	Prefix	ob (op)	in the way, against	object, objection, opposition, obscure
100	Prefix	omni	all	omnipotent, omniscient, omnivorous