saint vs St. Augustine

saint and St. Augustine both are nouns.

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

saint (noun)	St. Augustine (noun)
person of exceptional holiness	a resort city in northeastern Florida; the oldest city in the United States
model of excellence or perfection of a kind; one having no equal	(Roman Catholic Church) one of the great Fathers of the early Christian church; after a dramatic conversion to Christianity he became bishop of Hippo Regius in North Africa; St. Augustine emphasized man's need for grace (354-430)
a person who has died and has been declared a saint by canonization

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