financial center vs city

financial center and city both are nouns.

Word	Noun	Adjective	Verb	Adverb
financial center	Yes	No	No	No
city	Yes	No	No	No

financial center (noun)	city (noun)
the part of a city where financial institutions are centered	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts
	an incorporated administrative district established by state charter