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...

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

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