Latin Prefixes

Front

a, ab

Back

away, from

avert (turn away), abduct (lead from)

Front

ad

Back

to

admit (grant entrance to)

Front

ante

Back

before

anteroom (room before another)

Front

bi

Back

two

bicycle (vehicle having two wheels)

Front

circum

Back

around

circumnavigate (sail around)

Front

con (col, com, cor)

Back

together, with

conspire (plot together or with), colloquy (talking together; conference), compose (put together). correspond (agree with; communicate with by exchange of letters)

Front

contra

Back

against

contradict (speak against; deny)

Front

de

Back

from, down

deduction (conclusion drawn from reasoning) demote (move down in rank)

Front

dis

Back

apart, away

disrupt (break apart), dismiss (send away)

Front

e, ex

Back

out

emit (send out; utter), expel (drive out)