city vs Reno

city and Reno both are nouns.

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

city (noun)	Reno (noun)
people living in a large densely populated municipality	a city in western Nevada at the foot of the Sierra Nevada Mountains; known for gambling casinos and easy divorce and remarriage
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter