metropolis vs Rochester

metropolis and Rochester both are nouns.

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

metropolis (noun)	Rochester (noun)
people living in a large densely populated municipality	a city in western New York; a center of the photographic equipment industry
a large and densely populated urban area; may include several independent administrative districts	a town in southeast Minnesota