city vs Lexington

city and Lexington both are nouns.

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

city (noun)	Lexington (noun)
people living in a large densely populated municipality	the first battle of the American Revolution (April 19, 1775)
a large and densely populated urban area; may include several independent administrative districts	town in eastern Massachusetts near Boston where the first battle of the American Revolution was fought and the first shots fired
an incorporated administrative district established by state charter	a city in eastern Kentucky; noted for raising thoroughbred horses