metropolis vs Soweto

metropolis and Soweto both are nouns.

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

metropolis (noun)	Soweto (noun)
people living in a large densely populated municipality	a large collection of African townships to the southwest of Johannesburg in South Africa; inhabited solely by Black Africans
a large and densely populated urban area; may include several independent administrative districts