city vs Tampa

city and Tampa both are nouns.

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

city (noun)	Tampa (noun)
people living in a large densely populated municipality	a resort city in western Florida; located on Tampa Bay on the Gulf of Mexico
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter