Shreveport vs metropolis

Shreveport and metropolis both are nouns.

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

Shreveport (noun)	metropolis (noun)
a city in northwest Louisiana on the Red River near the Texas border	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts