Empire State vs Delaware River

Empire State and Delaware River both are nouns.

Word	Noun	Adjective	Verb	Adverb
Empire State	Yes	No	No	No
Delaware River	Yes	No	No	No

Empire State (noun)	Delaware River (noun)
a Mid-Atlantic state; one of the original 13 colonies, with capital Albany	a river that rises in the Catskills in southeastern New York and flows southward along the border of Pennsylvania with New York and New Jersey to northern Delaware where it empties into Delaware Bay