/ Thesaurus / C Synonyms of commonwealth country Find synonyms for: Noun1. commonwealth country, state, nation, country, land, commonwealth, res publica, body politicusage: any of the countries in the British CommonwealthWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language