Newfoundland vs Atlantic

Newfoundland and Atlantic both are nouns.

Word	Noun	Adjective	Verb	Adverb
Newfoundland	Yes	No	No	No
Atlantic	Yes	Yes	No	No

Newfoundland (noun)	Atlantic (noun)
a breed of very large heavy dogs with a thick coarse usually black coat; highly intelligent dogs and vigorous swimmers; developed in Newfoundland	the 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east
an island in the north Atlantic

Newfoundland (adjective)	Atlantic (adjective)
	relating to or bordering the Atlantic Ocean