city vs Turin

city and Turin both are nouns.

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

city (noun)	Turin (noun)
people living in a large densely populated municipality	capital city of the Piemonte region of northwestern Italy
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter