Wichita vs urban center

Wichita and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wichita	Yes	No	No	No
urban center	Yes	No	No	No

Wichita (noun)	urban center (noun)
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
a member of the Caddo people formerly living between Kansas and central Texas