city vs Persepolis

city and Persepolis both are nouns.

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

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