Bangalore vs metropolis

Bangalore and metropolis both are nouns.

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

Bangalore (noun)	metropolis (noun)
an industrial city in south central India (west of Chennai)	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts