city vs Zurich

city and Zurich both are nouns.

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

city (noun)	Zurich (noun)
people living in a large densely populated municipality	the largest city in Switzerland; located in the northern part of the country
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter