Midwest vs Missouri

Midwest and Missouri both are nouns.

Word	Noun	Adjective	Verb	Adverb
Midwest	Yes	No	No	No
Missouri	Yes	No	No	No

Midwest (noun)	Missouri (noun)
the north central region of the United States (sometimes called the heartland or the breadbasket of America)	a dialect of the Chiwere language spoken by the Missouri
	a midwestern state in central United States; a border state during the American Civil War, Missouri was admitted to the Confederacy without actually seceding from the Union
	the longest river in the United States; arises in Montana and flows southeastward to become a tributary of the Mississippi at Saint Louis
	a member of the Siouan people formerly inhabiting the valley of the Missouri river in Missouri