Gloucester vs metropolis

Gloucester and metropolis both are nouns.

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

Gloucester (noun)	metropolis (noun)
a city in southwestern England in Gloucestershire on the Severn	people living in a large densely populated municipality
a town in northeastern Massachusetts on Cape Ann to the northeast of Boston; the harbor has been a fishing center for centuries	a large and densely populated urban area; may include several independent administrative districts