Church of Rome vs Divine Office

Church of Rome and Divine Office both are nouns.

Word	Noun	Adjective	Verb	Adverb
Church of Rome	Yes	No	No	No
Divine Office	Yes	No	No	No

Church of Rome (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)