metropolis vs Liverpool

metropolis and Liverpool both are nouns.

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

metropolis (noun)	Liverpool (noun)
people living in a large densely populated municipality	a large city in northwestern England; its port is the country's major outlet for industrial exports
a large and densely populated urban area; may include several independent administrative districts