U.S. vs South Carolina

U.S. and South Carolina both are nouns.

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

U.S. (noun)	South Carolina (noun)
the executive and legislative and judicial branches of the federal government of the United States	a state in the Deep South; 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 Charles Towne