Chungking vs metropolis

Chungking and metropolis both are nouns.

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

Chungking (noun)	metropolis (noun)
a city in south-central China on the Chang Jiang; a commercial center for western China	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts