affix

definition: a linguistic element added to a word to produce an inflected or derived form
example:
speech part: noun
synonyms:
definition: to attach or become attached to a stem word
example: Grammatical morphemes affix to the stem.
speech part: verb
synonyms:
definition: to add to the very end
example: Affix this page to the report.
speech part: verb
synonyms: supplement
definition: to attach to
example: They affixed the seal to the envelope.
speech part: verb
synonyms: annexe annex

affix is explained and pronounced

How affix is being used?