provincial vs Roman Catholic

provincial and Roman Catholic both are nouns.

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

provincial (noun)	Roman Catholic (noun)
a country person	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
(Roman Catholic Church) an official in charge of an ecclesiastical province acting under the superior general of a religious order	a member of the Roman Catholic Church

provincial (adjective)	Roman Catholic (adjective)
characteristic of the provinces or their people	of or relating to or supporting Romanism
of or associated with a province