Postfix

[pəʊs(t)'fɪks] or [post'fɪks]

(n.) A letter, syllable, or word, added to the end of another word; a suffix.

(v. t.) To annex; specifically (Gram.), to add or annex, as a letter, syllable, or word, to the end of another or principal word; to suffix.

Checked by Desmond

n. Affix, suffix.

Checker: Lyman