Portsmouth vs Old Dominion State

Portsmouth and Old Dominion State both are nouns.

Word	Noun	Adjective	Verb	Adverb
Portsmouth	Yes	No	No	No
Old Dominion State	Yes	No	No	No

Portsmouth (noun)	Old Dominion State (noun)
a port town in southeastern New Hampshire on the Atlantic Ocean	a state in the eastern United States; one of the original 13 colonies; one of the Confederate States in the American Civil War
a port city in southern England on the English Channel; Britain's major naval base
a port city in southeastern Virginia on the Elizabeth River opposite Norfolk; naval base; shipyards