saint vs St. Irenaeus

saint and St. Irenaeus both are nouns.

Word	Noun	Adjective	Verb	Adverb
saint	Yes	No	Yes	No
St. Irenaeus	Yes	No	No	No

saint (noun)	St. Irenaeus (noun)
person of exceptional holiness	Greek theologian who was bishop of Lyons and an antiheretical writer; a saint and Doctor of the Church (circa 130-200)
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. Irenaeus (verb)
declare (a dead person) to be a saint
hold sacred