North Atlantic vs Atlantic Ocean

North Atlantic and Atlantic Ocean both are nouns.

Word	Noun	Adjective	Verb	Adverb
North Atlantic	Yes	No	No	No
Atlantic Ocean	Yes	No	No	No

North Atlantic (noun)	Atlantic Ocean (noun)
that part of the Atlantic Ocean to the north of the equator	the 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east