metropolis vs Pasadena

metropolis and Pasadena both are nouns.

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

metropolis (noun)	Pasadena (noun)
people living in a large densely populated municipality	a city in southwestern California to the east of Los Angeles
a large and densely populated urban area; may include several independent administrative districts