New York State vs NY

New York State and NY both are nouns.

Word	Noun	Adjective	Verb	Adverb
New York State	Yes	No	No	No
NY	Yes	No	No	No

As nouns, New York State and NY are synonyms defined as:

New York State and NY: a Mid-Atlantic state; one of the original 13 colonies, with capital Albany

Other synonyms of New York State include Empire State, N.Y., New York.

New York State (noun)	NY (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Albany	a Mid-Atlantic state; one of the original 13 colonies, with capital Albany