Gulf of Akaba vs Red Sea

Gulf of Akaba and Red Sea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gulf of Akaba	Yes	No	No	No
Red Sea	Yes	No	No	No

Gulf of Akaba (noun)	Red Sea (noun)
a northeastern arm of the Red Sea; between the Sinai Peninsula (Egypt) and Saudi Arabia	a long arm of the Indian Ocean between northeast Africa and Arabia; linked to the Mediterranean at the north end by the Suez Canal