Confederate States vs Old Dominion

Confederate States and Old Dominion both are nouns.

Word	Noun	Adjective	Verb	Adverb
Confederate States	Yes	No	No	No
Old Dominion	Yes	No	No	No

Confederate States (noun)	Old Dominion (noun)
the southern states that seceded from the United States in 1861	a state in the eastern United States; one of the original 13 colonies; one of the Confederate States in the American Civil War