Divine Office vs Western Church

Divine Office and Western Church both are nouns.

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

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