saint vs St. John

saint and St. John both are nouns.

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

saint (noun)	St. John (noun)
person of exceptional holiness	a port in eastern Canada; the largest city in New Brunswick
model of excellence or perfection of a kind; one having no equal	a river that rises in Maine and flows northeastward through New Brunswick to empty into the Bay of Fundy
a person who has died and has been declared a saint by canonization	(New Testament) disciple of Jesus; traditionally said to be the author of the 4th Gospel and three epistles and the book of Revelation

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