Persepolis vs city

Persepolis and city both are nouns.

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

Persepolis (noun)	city (noun)
an ancient city that was the capital of the ancient Persian Empire; now in ruins	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts
	an incorporated administrative district established by state charter