A suffix is part of a word; an affix that follows the morphemes to which it can attach. Suffix may also refer to:

A prefix is the initial portion of some object or term (typically in text or speech) with a distinct and reused meaning that modifies the meaning of the whole object. For an example in the context of language, the word prefix itself is made up of the...

The last part of a radio or broadcast callsign

Filename extension for computer files

Suffix (name), the style at the end of a person's name which gives additional identifying information about the person

An infix is an affix inserted inside an existing...

Derivation (linguistics)

Unpaired word