Twin Falls vs U.S.

Twin Falls and U.S. both are nouns.

Word	Noun	Adjective	Verb	Adverb
Twin Falls	Yes	No	No	No
U.S.	Yes	No	No	No

Twin Falls (noun)	U.S. (noun)
a town on the Snake River in south central Idaho near the Twin Falls	the executive and legislative and judicial branches of the federal government of the United States
a waterfall in the Snake River in southern Idaho	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