U.S. vs Show Me State

U.S. and Show Me State both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
Show Me State	Yes	No	No	No

U.S. (noun)	Show Me State (noun)
the executive and legislative and judicial branches of the federal government of the United States	a midwestern state in central United States; a border state during the American Civil War, Missouri was admitted to the Confederacy without actually seceding from the Union
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