city vs Lille

city and Lille both are nouns.

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

city (noun)	Lille (noun)
people living in a large densely populated municipality	an industrial city in northern France near the Belgian border; was the medieval capital of Flanders
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter