metropolis vs Susa

metropolis and Susa both are nouns.

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

metropolis (noun)	Susa (noun)
people living in a large densely populated municipality	a port city in eastern Tunisia on the Mediterranean
a large and densely populated urban area; may include several independent administrative districts