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A suffix (also postfix, ending) is an affix which is placed at the end of a word. Some of the most common suffixes are :

ment changes verbs nouns.. Ex: Punish

punishment

- Girls where the suffix -s marks the plural.

- He makes where suffix -s marks the third person singular present tense. - He closed where the suffix -d marks the past tense.

A prefix is a type of affix attached to a stem which modifies the meaning of that stem.The word "prefix" is itself made up of the stem fix (meaning "attach" in this case), and the prefix pre-, meaning "before“. There is a lot of prefixes like :

Native

Anti antivirus Co coordinatorPro pro-life

Neo-classical

Ex out of exportUp upgradeTele television

Archaic

Y yclept

Reference

http://en.wikipedia.org/wiki/English_prefixes

http://en.wikipedia.org/wiki/Suffixes