Common Roots and Prefixes

Co / Con

with; example: converse means speak with

Multi

many; example: multitude means many or numerous

Poly

many; example: polymath means a person accomplished in many fields

Pro

in favor of; example: proponent means one who supports something

Ver

true; example: verity means truth

Vit

life; example: revitalize means bring back to life

An / Ana

not or without; example: anaerobic means without oxygen

Anti

against; example: antipathy means dislike

Contra

against; example: contrarian means one who is regularly against prevailing ideas

De

off or from; example: desalinate means remove salt from

Dis

lack of or apart; example: disinterested means objective or not personally interested

Fict

false; example: fictitious means not real

In / Un

not; example: insignificant means not significant

Ob / Op

against; example: opponent means someone a person is against

Ante

before; example: antecedent means one who or something that came before

Chron

time; example: chronic means ongoing over time

Cog

think; example: cognition means thinking

E / Ex

from or out of; example: exude means discharge or give off

Hetero

different; example: heterogeneous means consisting of different things

Homo

same; example: homogeneous means consisting of the same things

Peri

around; example: periphery means around the edges

Re

again; example: replicate means do again in the same way

Sent

feel; example: sentient means capable of feeling

Spec

see; example: spectacle means something highly visible

Seq

follow; example: sequential means one following another

Temp

time; example: temporary means lasting a short time

Terr

earth; example: terrestrial means earth-dwelling

Trans

through; example: transport means move through or across