Mississippi vs Greenville

Mississippi and Greenville both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mississippi	Yes	No	No	No
Greenville	Yes	No	No	No

Mississippi (noun)	Greenville (noun)
a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War	a town in northwest South Carolina in the Piedmont
a major North American river and the chief river of the United States; rises in northern Minnesota and flows southward into the Gulf of Mexico	a town in western Mississippi on the Mississippi River to the north of Vicksburg
	a city in eastern North Carolina; tobacco market