Western Church vs Divine Office

Western Church and Divine Office both are nouns.

Word	Noun	Adjective	Verb	Adverb
Western Church	Yes	No	No	No
Divine Office	Yes	No	No	No

Western Church (noun)	Divine Office (noun)
the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy	canonical prayers recited daily by priests (e.g. the breviary of the Roman Catholic Church)