metropolis vs Assuan

metropolis and Assuan both are nouns.

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

metropolis (noun)	Assuan (noun)
people living in a large densely populated municipality	an ancient city on the Nile in Egypt; two dams across the Nile have been built nearby
a large and densely populated urban area; may include several independent administrative districts