Missouri vs Columbia

Missouri and Columbia both are nouns.

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

Missouri (noun)	Columbia (noun)
a dialect of the Chiwere language spoken by the Missouri	a university in New York City
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	capital and largest city in South Carolina; located in central South Carolina
the longest river in the United States; arises in Montana and flows southeastward to become a tributary of the Mississippi at Saint Louis	a university town in central Missouri
a member of the Siouan people formerly inhabiting the valley of the Missouri river in Missouri	a town in west central Tennessee
	a North American river; rises in southwestern Canada and flows southward across Washington to form the border between Washington and Oregon before emptying into the Pacific; known for its salmon runs in the spring