/ Thesaurus / R Synonyms of roman catholicism Find synonyms for: Noun1. Romanism, Roman Catholicism, papism, Catholicism, Catholicityusage: the beliefs and practices of the Catholic Church based in RomeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language