Michigan vs Midwest

Michigan and Midwest both are nouns.

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

Michigan (noun)	Midwest (noun)
a gambling card game in which chips are placed on the ace and king and queen and jack of separate suits (taken from a separate deck); a player plays the lowest card of a suit in his hand and successively higher cards are played until the sequence stops; the player who plays a card matching one in the layout wins all the chips on that card	the north central region of the United States (sometimes called the heartland or the breadbasket of America)
a midwestern state in north central United States in the Great Lakes region, with capital Lansing
the 3rd largest of the Great Lakes; the largest freshwater lake entirely within the United States borders