Pueblo vs urban center

Pueblo and urban center both are nouns.

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

Pueblo (noun)	urban center (noun)
a city in Colorado to the south of Colorado Springs	a large and densely populated urban area; may include several independent administrative districts
a member of any of about two dozen Native American peoples called `Pueblos' by the Spanish because they live in pueblos (villages built of adobe and rock)