Peshawar vs metropolis

Peshawar and metropolis both are nouns.

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

Peshawar (noun)	metropolis (noun)
city in northern Pakistan at the eastern end of the Khyber Pass	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts