Donetsk vs metropolis

Donetsk and metropolis both are nouns.

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

Donetsk (noun)	metropolis (noun)
an industrial city in the Donets Basin	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts