metropolis vs Zomba

metropolis and Zomba both are nouns.

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

metropolis (noun)	Zomba (noun)
people living in a large densely populated municipality	a city in southern Malawi; was the capital until 1971
a large and densely populated urban area; may include several independent administrative districts