Macon vs metropolis

Macon and metropolis both are nouns.

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

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