Allegheny River vs New York State

Allegheny River and New York State both are nouns.

Word	Noun	Adjective	Verb	Adverb
Allegheny River	Yes	No	No	No
New York State	Yes	No	No	No

Allegheny River (noun)	New York State (noun)
a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River	a Mid-Atlantic state; one of the original 13 colonies, with capital Albany