U.S. vs North Carolina

U.S. and North Carolina both are nouns.

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

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