Bay of Biscay vs Atlantic Ocean

Bay of Biscay and Atlantic Ocean both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bay of Biscay	Yes	No	No	No
Atlantic Ocean	Yes	No	No	No

Bay of Biscay (noun)	Atlantic Ocean (noun)
an arm of the Atlantic Ocean in western Europe; bordered by the west coast of France and the north coast of Spain	the 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east