Old North State vs USA

Old North State and USA both are nouns.

Word	Noun	Adjective	Verb	Adverb
Old North State	Yes	No	No	No
USA	Yes	No	No	No

Old North State (noun)	USA (noun)
a state in southeastern United States; one of the original 13 colonies	the army of the United States of America; the agency that organizes and trains soldiers for land warfare
	North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776