city vs Cambridge

city and Cambridge both are nouns.

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

city (noun)	Cambridge (noun)
people living in a large densely populated municipality	a university in Cambridge, England
a large and densely populated urban area; may include several independent administrative districts	a city in eastern England on the River Cam; site of Cambridge University
an incorporated administrative district established by state charter	a city in Massachusetts just to the north of Boston; site of Harvard University and the Massachusetts Institute of Technology