/ Thesaurus / G Synonyms of great schism Find synonyms for: Noun1. Great Schismusage: the period from 1378 to 1417 during which there were two papacies in the Roman Catholic Church, one in Rome and one in AvignonWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language