St. Athanasius vs Roman Catholic Church

St. Athanasius and Roman Catholic Church both are nouns.

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

St. Athanasius (noun)	Roman Catholic Church (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