Roman Catholic Church vs Office of the Dead

Roman Catholic Church and Office of the Dead both are nouns.

Word	Noun	Adjective	Verb	Adverb
Roman Catholic Church	Yes	No	No	No
Office of the Dead	Yes	No	No	No

Roman Catholic Church (noun)	Office of the Dead (noun)
the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy	an office read or sung before a burial mass in the Roman Catholic Church