city vs financial center

city and financial center both are nouns.

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

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