metropolis vs Benghazi

metropolis and Benghazi both are nouns.

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

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