North Carolina vs U.S.

North Carolina and U.S. both are nouns.

Word	Noun	Adjective	Verb	Adverb
North Carolina	Yes	No	No	No
U.S.	Yes	No	No	No

North Carolina (noun)	U.S. (noun)
a state in southeastern United States; one of the original 13 colonies	the executive and legislative and judicial branches of the federal government of the United States
one of the British colonies that formed the United States, with capital Bath, Edenton, Brunswick Town, or New Bern	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