affix -
a linguistic element added to a word to produce an inflected or derived form
bound form,
bound morpheme a morpheme that occurs only as part of a larger construction; eg an -s at the end of plural nouns
word a unit of language that native speakers can identify; "words are the blocks from which sentences are made"; "he hardly said ten words all morning"
prefix an affix that is added in front of the word
postfix,
suffix an affix that is added at the end of the word
Verb
affix -
attach or become attached to a stem word; "grammatical morphemes affix to the stem"
An affix is a morpheme that is attached to a word stem to form a new word. Affixes may be derivational, like English -ness and pre-, or inflectional, like English plural -s and past tense -ed. They are bound morphemes by definition; prefixes and suffixes may be separable affixes.
OmegaWiki Dictionary
Ω
affix A bound morpheme that is attached to a word stem to form a new word or an inflected form of a word.
affix To make something fixed or stable; to cause to be firmly attached.