metropolis vs Smolensk

metropolis and Smolensk both are nouns.

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

metropolis (noun)	Smolensk (noun)
people living in a large densely populated municipality	a city in western Russia on the Dnieper River; scene of severe fighting in World War II
a large and densely populated urban area; may include several independent administrative districts