metropolis vs Aspinwall

metropolis and Aspinwall both are nouns.

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

metropolis (noun)	Aspinwall (noun)
people living in a large densely populated municipality	a port city at the Caribbean entrance to the Panama Canal
a large and densely populated urban area; may include several independent administrative districts