cardinal vs Church of Rome

cardinal and Church of Rome both are nouns.

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

cardinal (noun)	Church of Rome (noun)
crested thick-billed North American finch having bright red plumage in the male	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
a variable color averaging a vivid red
(Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes
the number of elements in a mathematical set; denotes a quantity but not the order

cardinal (adjective)	Church of Rome (adjective)
being or denoting a numerical quantity but not order
serving as an essential component