/ Thesaurus / O Synonyms of organ of speech Find synonyms for: Noun1. speech organ, vocal organ, organ of speech, organusage: any of the organs involved in speech productionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language