metropolis vs Macon

metropolis and Macon both are nouns.

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

metropolis (noun)	Macon (noun)
people living in a large densely populated municipality	a city in central Georgia to the southeast of Atlanta
a large and densely populated urban area; may include several independent administrative districts