Tampa Bay vs Golfo de Mexico

Tampa Bay and Golfo de Mexico both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tampa Bay	Yes	No	No	No
Golfo de Mexico	Yes	No	No	No

Tampa Bay (noun)	Golfo de Mexico (noun)
an arm of the Gulf of Mexico in west central Florida	an arm of the Atlantic to the south of the United States and to the east of Mexico