city vs Kitakyushu

city and Kitakyushu both are nouns.

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

city (noun)	Kitakyushu (noun)
people living in a large densely populated municipality	a Japanese city on northern Kyushu
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter