Roman Catholic Church vs St. Athanasius

Roman Catholic Church and St. Athanasius both are nouns.

Word	Noun	Adjective	Verb	Adverb
Roman Catholic Church	Yes	No	No	No
St. Athanasius	Yes	No	No	No

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