apostolic delegate vs Roman Catholic Church

apostolic delegate and Roman Catholic Church both are nouns.

Word	Noun	Adjective	Verb	Adverb
apostolic delegate	Yes	No	No	No
Roman Catholic Church	Yes	No	No	No

apostolic delegate (noun)	Roman Catholic Church (noun)
(Roman Catholic Church) a representative of the Holy See in a country that has no formal diplomatic relations with it	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy