Atlantic vs Golfo de Mexico

Atlantic and Golfo de Mexico both are nouns.

Word	Noun	Adjective	Verb	Adverb
Atlantic	Yes	Yes	No	No
Golfo de Mexico	Yes	No	No	No

Atlantic (noun)	Golfo de Mexico (noun)
the 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east	an arm of the Atlantic to the south of the United States and to the east of Mexico

Atlantic (adjective)	Golfo de Mexico (adjective)
relating to or bordering the Atlantic Ocean