saint vs St. Vitus

saint and St. Vitus both are nouns.

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

saint (noun)	St. Vitus (noun)
person of exceptional holiness	Christian martyr and patron of those who suffer from epilepsy and Sydenham's chorea (died around 300)
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. Vitus (verb)
declare (a dead person) to be a saint
hold sacred