urban center vs Puebloan peoples

urban center and Puebloan peoples both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Puebloan peoples	Yes	No	No	No

urban center (noun)	Puebloan peoples (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in Colorado to the south of Colorado Springs