U.S. vs Cornhusker State

U.S. and Cornhusker State both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
Cornhusker State	Yes	No	No	No

U.S. (noun)	Cornhusker State (noun)
the executive and legislative and judicial branches of the federal government of the United States	a midwestern state on the Great Plains
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