/ Thesaurus / A Synonyms of annum Find synonyms for: Noun1. annum, year, twelvemonth, yrusage: (Latin) year; "per annum"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language