metropolis vs Kharkiv

metropolis and Kharkiv both are nouns.

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

metropolis (noun)	Kharkiv (noun)
people living in a large densely populated municipality	a city in northeastern Ukraine; former capital of the Ukraine
a large and densely populated urban area; may include several independent administrative districts