Prefixes and Suffixes

Front

Con-

Back

with, together

Front

De-

Back

from, away, down, apart; not

Front

Infra-

Back

beneath

Front

Ob-

Back

to, toward, against

Front

Re-

Back

back, again

Front

Struct-

Back

build

Front

Ion-

Back

an action or process; state, quality, act

Front

Ure-

Back

state, quality, act; that which; process, condition