dean vs Church of Rome

dean and Church of Rome both are nouns.

Word	Noun	Adjective	Verb	Adverb
dean	Yes	No	No	No
Church of Rome	Yes	No	No	No

dean (noun)	Church of Rome (noun)
an administrator in charge of a division of a university or college	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
(Roman Catholic Church) the head of the College of Cardinals
a man who is the senior member of a group