Binghamton vs metropolis

Binghamton and metropolis both are nouns.

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

Binghamton (noun)	metropolis (noun)
a city in south central New York near the border with Pennsylvania	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts