metropolis vs Los Angeles

metropolis and Los Angeles both are nouns.

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

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