Clinch River vs Old Dominion State

Clinch River and Old Dominion State both are nouns.

Word	Noun	Adjective	Verb	Adverb
Clinch River	Yes	No	No	No
Old Dominion State	Yes	No	No	No

Clinch River (noun)	Old Dominion State (noun)
a river that rises in southwestern Virginia and flows generally southwestward across eastern Tennessee to the Tennessee River	a state in the eastern United States; one of the original 13 colonies; one of the Confederate States in the American Civil War