St. Martin vs saint

St. Martin and saint both are nouns.

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

St. Martin (noun)	saint (noun)
an island in the western Leeward Islands; administered jointly by France and the Netherlands	person of exceptional holiness
French bishop who is a patron saint of France (died in 397)	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. Martin (verb)	saint (verb)
	declare (a dead person) to be a saint
	hold sacred