metropolis vs Campeche

metropolis and Campeche both are nouns.

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

metropolis (noun)	Campeche (noun)
people living in a large densely populated municipality	a Mexican city on the Bay of Campeche
a large and densely populated urban area; may include several independent administrative districts	a Mexican state on the eastern part of the Gulf of Campeche