metropolis vs Leicester

metropolis and Leicester both are nouns.

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

metropolis (noun)	Leicester (noun)
people living in a large densely populated municipality	an industrial city in Leicestershire in central England; built on the site of a Roman settlement
a large and densely populated urban area; may include several independent administrative districts	a largely agricultural county in central England