metropolis vs Bulawayo

metropolis and Bulawayo both are nouns.

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

metropolis (noun)	Bulawayo (noun)
people living in a large densely populated municipality	industrial city in southwestern Zimbabwe
a large and densely populated urban area; may include several independent administrative districts