Lone-Star State vs Texas

Lone-Star State and Texas both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lone-Star State	Yes	No	No	No
Texas	Yes	No	No	No

As nouns, Lone-Star State and Texas are synonyms defined as:

Lone-Star State and Texas: the second largest state; located in southwestern United States on the Gulf of Mexico

Other synonyms of Lone-Star State include Tex., TX.

Lone-Star State (noun)	Texas (noun)
the second largest state; located in southwestern United States on the Gulf of Mexico	the second largest state; located in southwestern United States on the Gulf of Mexico