Argos vs urban center

Argos and urban center both are nouns.

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

Argos (noun)	urban center (noun)
an ancient city in southeastern Greece; dominated the Peloponnese in the 7th century BC	a large and densely populated urban area; may include several independent administrative districts