city vs Cedar Rapids

city and Cedar Rapids both are nouns.

Word	Noun	Adjective	Verb	Adverb
city	Yes	No	No	No
Cedar Rapids	Yes	No	No	No

city (noun)	Cedar Rapids (noun)
people living in a large densely populated municipality	a city in eastern Iowa
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter