metropolis vs Bristol

metropolis and Bristol both are nouns.

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

metropolis (noun)	Bristol (noun)
people living in a large densely populated municipality	an industrial city and port in southwestern England near the mouth of the River Avon
a large and densely populated urban area; may include several independent administrative districts