city vs San Jose

city and San Jose both are nouns.

Word	Noun	Adjective	Verb	Adverb
city	Yes	No	No	No
San Jose	Yes	No	No	No

city (noun)	San Jose (noun)
people living in a large densely populated municipality	the capital and largest city of Costa Rica
a large and densely populated urban area; may include several independent administrative districts	a city in western California located at the southern end of San Francisco Bay to the south of San Francisco; a center for computer and electronics industries
an incorporated administrative district established by state charter