Pelican State vs USA

Pelican State and USA both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pelican State	Yes	No	No	No
USA	Yes	No	No	No

Pelican State (noun)	USA (noun)
a state in southern United States on the Gulf of Mexico; one of the Confederate states during the American Civil War	the army of the United States of America; the agency that organizes and trains soldiers for land warfare
	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