metropolis vs Dnipropetrovsk

metropolis and Dnipropetrovsk both are nouns.

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

metropolis (noun)	Dnipropetrovsk (noun)
people living in a large densely populated municipality	city in east central Ukraine on the Dnieper River; center of metallurgical industry
a large and densely populated urban area; may include several independent administrative districts