Yukon vs U.S.A.

Yukon and U.S.A. both are nouns.

Word	Noun	Adjective	Verb	Adverb
Yukon	Yes	No	No	No
U.S.A.	Yes	No	No	No

Yukon (noun)	U.S.A. (noun)
a territory in northwestern Canada; site of the Klondike gold rush in the 1890s	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
a North American river that flows westward from the Yukon Territory through central Alaska to the Bering Sea