Affix (Linguistics)

Definition

An affix is a bound morpheme that is joined before, after, or within a root or stem.

An affix is joined by derivation or inflection.

Kinds of Affixes

Here is a table showing some kinds of affixes with examples:

Affix	Relationship to root or stem	Example
prefix	Occurs in the front of a root or stem	unhappy
suffix	Occurs at the end of a root or stem	happiness
infix	Occurs inside of a root or stem	bumili 'buy' (Tagalog, Philippines)
circumfix	Occurs in two parts on both outer edges of a root or stem	kabaddangan 'help' (Tuwali Ifugao, Philippines)
simulfix	Replaces one or more phonemes in the root or stem	man + plural > men
suprafix	Superimposed on one or more syllables in the root or stem as a suprasegmental	stress in the words 'produce, n. and pro'duce, v.

More specific concepts within affix (linguistics).