Tripoli vs city

Tripoli and city both are nouns.

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

Tripoli (noun)	city (noun)
a port city and commercial center in northwestern Lebanon on the Mediterranean Sea	people living in a large densely populated municipality
the capital and chief port and largest city of Libya; in northwestern Libya on the Mediterranean Sea; founded by the Phoenicians in the 7th century BC	a large and densely populated urban area; may include several independent administrative districts
	an incorporated administrative district established by state charter