Chihuahua vs metropolis

Chihuahua and metropolis both are nouns.

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

Chihuahua (noun)	metropolis (noun)
an old breed of tiny short-haired dog with protruding eyes from Mexico held to antedate Aztec civilization	people living in a large densely populated municipality
the largest state in Mexico; mostly high plateau	a large and densely populated urban area; may include several independent administrative districts
a city in northern Mexico in the state of Chihuahua; commercial center of northern Mexico