metropolis vs Medan

metropolis and Medan both are nouns.

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

metropolis (noun)	Medan (noun)
people living in a large densely populated municipality	a city in Indonesia; located in northeastern Sumatra
a large and densely populated urban area; may include several independent administrative districts