Indian Ocean vs Antarctic Ocean

Indian Ocean and Antarctic Ocean both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indian Ocean	Yes	No	No	No
Antarctic Ocean	Yes	No	No	No

Indian Ocean (noun)	Antarctic Ocean (noun)
the 3rd largest ocean; bounded by Africa on the west, Asia on the north, Australia on the east and merging with the Antarctic Ocean to the south	the southern waters surrounding Antarctica