city vs Muenchen

city and Muenchen both are nouns.

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

city (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
an incorporated administrative district established by state charter