saint vs St. Andrew

saint and St. Andrew both are nouns.

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

saint (noun)	St. Andrew (noun)
person of exceptional holiness	(New Testament) disciple of Jesus; brother of Peter; patron saint of Scotland
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. Andrew (verb)
declare (a dead person) to be a saint
hold sacred