Los Angeles vs metropolis

Los Angeles and metropolis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Los Angeles	Yes	No	No	No
metropolis	Yes	No	No	No

Los Angeles (noun)	metropolis (noun)
a city in southern California; motion picture capital of the world; most populous city of California and second largest in the United States	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts