city vs Worcester

city and Worcester both are nouns.

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

city (noun)	Worcester (noun)
people living in a large densely populated municipality	a cathedral city in west central England on the River Severn
a large and densely populated urban area; may include several independent administrative districts	an industrial and university city in central Massachusetts to the west of Boston
an incorporated administrative district established by state charter	United States lexicographer who was accused of plagiarism by Noah Webster (1784-1865)