Bakersfield vs metropolis

Bakersfield and metropolis both are nouns.

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

Bakersfield (noun)	metropolis (noun)
a city in south central California at the southern end of the San Joaquin Valley	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts