saint vs Saint Peter the Apostle

saint and Saint Peter the Apostle both are nouns.

Word	Noun	Adjective	Verb	Adverb
saint	Yes	No	Yes	No
Saint Peter the Apostle	Yes	No	No	No

saint (noun)	Saint Peter the Apostle (noun)
person of exceptional holiness	disciple of Jesus and leader of the Apostles; regarded by Catholics as the vicar of Christ on earth and first Pope
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)	Saint Peter the Apostle (verb)
declare (a dead person) to be a saint
hold sacred