gradual vs Roman Catholic

gradual and Roman Catholic both are nouns.

Word	Noun	Adjective	Verb	Adverb
gradual	Yes	Yes	No	No
Roman Catholic	Yes	Yes	No	No

gradual (noun)	Roman Catholic (noun)
(Roman Catholic Church) an antiphon (usually from the Book of Psalms) immediately after the epistle at Mass	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
	a member of the Roman Catholic Church

gradual (adjective)	Roman Catholic (adjective)
proceeding in small stages	of or relating to or supporting Romanism
(of a topographical gradient) not steep or abrupt