Fargo vs metropolis

Fargo and metropolis both are nouns.

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

Fargo (noun)	metropolis (noun)
largest city in North Dakota; located in eastern North Dakota on the Red river	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts