Prefixes and Suffixes in English

Front

a

Back

without (amoral, apolitical, atypical)

Front

anti

Back

against, opposing (anti-war, anti-bacterial)

Front

auto

Back

self (auto-dial, auto-rotate)

Front

bi

Back

two, twice (bilingual, bisect, bi-monthly)

Front

co

Back

with (co-author, co-edit)

Front

de

Back

opposite action (declassify, destroy)

Front

dis

Back

not, opposite of (disagree, disprove, distrust)

Front

e

Back

electronic (e-book, e-mail)

Front

en(m)

Back

cause to (encode, embrace)

Front

ex

Back

previously, former (ex-president, ex-student)