metropolis vs Shreveport

metropolis and Shreveport both are nouns.

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

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