Old Dominion vs Old Dominion State

Old Dominion and Old Dominion State both are nouns.

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

As nouns, Old Dominion and Old Dominion State are synonyms defined as:

Old Dominion and Old Dominion State: a state in the eastern United States; one of the original 13 colonies; one of the Confederate States in the American Civil War

Other synonyms of Old Dominion include Va., VA, Virginia.

Old Dominion (noun)	Old Dominion State (noun)
a state in the eastern United States; one of the original 13 colonies; one of the Confederate States in the American Civil War	a state in the eastern United States; one of the original 13 colonies; one of the Confederate States in the American Civil War