Florence vs metropolis

Florence and metropolis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Florence	Yes	No	No	No
metropolis	Yes	No	No	No

Florence (noun)	metropolis (noun)
a city in central Italy on the Arno; provincial capital of Tuscany; center of the Italian Renaissance from 14th to 16th centuries	people living in a large densely populated municipality
a town in northeast South Carolina; transportation center	a large and densely populated urban area; may include several independent administrative districts