metropolis vs El Paso

metropolis and El Paso both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
El Paso	Yes	No	No	No

metropolis (noun)	El Paso (noun)
people living in a large densely populated municipality	a city in western Texas on the Mexican border; located on the northern bank of the Rio Grande across from the Mexican city of Juarez
a large and densely populated urban area; may include several independent administrative districts