Dakota vs U.S.A.

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

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

Dakota (noun)	U.S.A. (noun)
the Siouan language spoken by the Dakota	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
the area of the states of North Dakota and South Dakota
a member of the Siouan people of the northern Mississippi valley; commonly called the Sioux