Norfolk vs metropolis

Norfolk and metropolis both are nouns.

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

Norfolk (noun)	metropolis (noun)
port city located in southeastern Virginia on the Elizabeth River at the mouth of Chesapeake Bay; headquarters of the Atlantic fleet of the United States Navy	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts