U.S. vs Lone-Star State

U.S. and Lone-Star State both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
Lone-Star State	Yes	No	No	No

U.S. (noun)	Lone-Star State (noun)
the executive and legislative and judicial branches of the federal government of the United States	the second largest state; located in southwestern United States on the Gulf of Mexico
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