Hudson River vs N.Y.

Hudson River and N.Y. both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hudson River	Yes	No	No	No
N.Y.	Yes	No	No	No

Hudson River (noun)	N.Y. (noun)
a New York river; flows southward into New York Bay; explored by Henry Hudson early in the 17th century	a Mid-Atlantic state; one of the original 13 colonies, with capital Albany