St. Nicholas vs saint

St. Nicholas and saint both are nouns.

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

St. Nicholas (noun)	saint (noun)
a bishop in Asia Minor who is associated with Santa Claus (4th century)	person of exceptional holiness
	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

St. Nicholas (verb)	saint (verb)
	declare (a dead person) to be a saint
	hold sacred