saint vs St. Thomas Aquinas

saint and St. Thomas Aquinas both are nouns.

Word	Noun	Adjective	Verb	Adverb
saint	Yes	No	Yes	No
St. Thomas Aquinas	Yes	No	No	No

saint (noun)	St. Thomas Aquinas (noun)
person of exceptional holiness	(Roman Catholic Church) Italian theologian and Doctor of the Church who is remembered for his attempt to reconcile faith and reason in a comprehensive theology; presented philosophical proofs of the existence of God (1225-1274)
model of excellence or perfection of a kind; one having no equal
a person who has died and has been declared a saint by canonization

saint (verb)	St. Thomas Aquinas (verb)
declare (a dead person) to be a saint
hold sacred