New York State vs Empire State

New York State and Empire State both are nouns.

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

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

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

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

New York State (noun)	Empire State (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