Guayaquil vs metropolis

Guayaquil and metropolis both are nouns.

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

Guayaquil (noun)	metropolis (noun)
the largest city of Ecuador	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts