Benghazi vs metropolis

Benghazi and metropolis both are nouns.

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

Benghazi (noun)	metropolis (noun)
port in northern Libya on the Gulf of Sidra; formerly a joint capital of Libya with Tripoli	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts