Barranquilla vs metropolis

Barranquilla and metropolis both are nouns.

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

Barranquilla (noun)	metropolis (noun)
a port city of northern Colombia near the Caribbean on the Magdalena River	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts