metropolis vs Muenchen

metropolis and Muenchen both are nouns.

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

metropolis (noun)	Muenchen (noun)
people living in a large densely populated municipality	the capital and largest city of Bavaria in southwestern Germany
a large and densely populated urban area; may include several independent administrative districts