Saint Athanasius vs Roman Catholic

Saint Athanasius and Roman Catholic both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saint Athanasius	Yes	No	No	No
Roman Catholic	Yes	Yes	No	No

Saint Athanasius (noun)	Roman Catholic (noun)
(Roman Catholic Church) Greek patriarch of Alexandria who championed Christian orthodoxy against Arianism; a church father, saint, and Doctor of the Church (293-373)	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
	a member of the Roman Catholic Church

Saint Athanasius (adjective)	Roman Catholic (adjective)
	of or relating to or supporting Romanism