metropolis vs Mandalay

metropolis and Mandalay both are nouns.

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

metropolis (noun)	Mandalay (noun)
people living in a large densely populated municipality	a city in central Myanmar to the north of Rangoon
a large and densely populated urban area; may include several independent administrative districts