city vs Leeds

city and Leeds both are nouns.

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

city (noun)	Leeds (noun)
people living in a large densely populated municipality	a city on the River Aire in West Yorkshire in northern England; a center of the clothing industry
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter