Urmia vs metropolis

Urmia and metropolis both are nouns.

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

Urmia (noun)	metropolis (noun)
a city on the western side of Lake Urmia in northwestern Iran	people living in a large densely populated municipality
a shallow saline lake in northwestern Iran between Tabriz and the eastern border of Turkey	a large and densely populated urban area; may include several independent administrative districts