saint vs Saint Matthew the Apostle

saint and Saint Matthew the Apostle both are nouns.

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

saint (noun)	Saint Matthew the Apostle (noun)
person of exceptional holiness	(New Testament) disciple of Jesus; traditionally considered to be the author of the first Gospel
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 Matthew the Apostle (verb)
declare (a dead person) to be a saint
hold sacred