Northerner vs USA

Northerner and USA both are nouns.

Word	Noun	Adjective	Verb	Adverb
Northerner	Yes	No	No	No
USA	Yes	No	No	No

Northerner (noun)	USA (noun)
an inhabitant of the North	the army of the United States of America; the agency that organizes and trains soldiers for land warfare
an American who lives in the North (especially during the American Civil War)	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