Aspinwall vs urban center

Aspinwall and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aspinwall	Yes	No	No	No
urban center	Yes	No	No	No

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