Church of Rome vs Western Schism

Church of Rome and Western Schism both are nouns.

Word	Noun	Adjective	Verb	Adverb
Church of Rome	Yes	No	No	No
Western Schism	Yes	No	No	No

Church of Rome (noun)	Western Schism (noun)
the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy	the period from 1378 to 1417 during which there were two papacies in the Roman Catholic Church, one in Rome and one in Avignon