city vs Wichita

city and Wichita both are nouns.

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

city (noun)	Wichita (noun)
people living in a large densely populated municipality	the Caddoan language spoken by the Wichita
a large and densely populated urban area; may include several independent administrative districts	the largest city in Kansas; located in southern Kansas on the Arkansas River
an incorporated administrative district established by state charter	a member of the Caddo people formerly living between Kansas and central Texas