SAT Vocabulary Latin Prefixes and Suffixes

ab- away from abstain
ad- to, toward adhere
ambi- both ambiguous
ante- before antecedent
bi- two bilingual
circum- around circumnavigate
co-
, com-
, con- together, with cooperate, companion, convene
contra- against contradict
de- down, away descend
dis- apart, not disperse
ex-
, e- out of, away extract
extra- beyond, outside extraordinary
in-
, il-
, im-
, ir- not injustice, illogical, impossible, irrelevant
inter- between, among interact
intra- within, inside intravenous
mal- bad, evil malicious
mis- wrong, badly misinterpret
multi- many multifaceted
non- not nonchalantPrefix/Suffix Meaning Example Word
ob- against obstruct
post- after postpone
pre- before precaution
pro- forward, in favor of proceed
re- again, back revisit
sub- under, below submarine
Latin Suffixes for the SAT
Suffix Meaning Example Word
-able,
-ible capable of being audible
-acious,
-icious full of capacious, malicious
-al,
-ial relating to personal, essential
-ance,
-ence state or quality of resistance, persistence
-ary,
-ory relating to, place where library, dormitory
-ate to make, cause dominate
-cy state, condition democracy
-dom state, condition freedom
-er,
-or one who does teacher, mentor
-fic making, causing horrific
-fy,
-ify to make clarify
-ic,
-ical relating to scientific, historical-ile capable of fragile
-ion,
-sion,
-tion act or state corruption, expansion
-ious,
-ous full of gracious, dangerous
-ity,
-ty state, quality complexity
-ive causing, making creative
-less without fearless
-logy study of biology
-ment result, condition punishment
-ness state of darkness
-oid resembling humanoid
-or one who actor
-tude state, condition gratitude
-ward in the direction of forward