city vs Rawalpindi

city and Rawalpindi both are nouns.

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

city (noun)	Rawalpindi (noun)
people living in a large densely populated municipality	an ancient city in northeastern Pakistan; served as capital of Pakistan while Islamabad was being built
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter