Columbia vs Missouri

Columbia and Missouri both are nouns.

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

Columbia (noun)	Missouri (noun)
a university in New York City	a dialect of the Chiwere language spoken by the Missouri
capital and largest city in South Carolina; located in central South Carolina	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
a university town in central Missouri	the longest river in the United States; arises in Montana and flows southeastward to become a tributary of the Mississippi at Saint Louis
a town in west central Tennessee	a member of the Siouan people formerly inhabiting the valley of the Missouri river in Missouri
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