Bolzano vs metropolis

Bolzano and metropolis both are nouns.

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

Bolzano (noun)	metropolis (noun)
an Italian city in Trentino-Alto Adige near the Austrian border; noted as a resort and for its Alpine scenery	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts