city vs Acapulco

city and Acapulco both are nouns.

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

city (noun)	Acapulco (noun)
people living in a large densely populated municipality	a port and fashionable resort city on the Pacific coast of southern Mexico; known for beaches and water sports (including cliff diving)
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter