Mediterranean vs sea

Mediterranean and sea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mediterranean	Yes	Yes	No	No
sea	Yes	No	No	No

Mediterranean (noun)	sea (noun)
the largest inland sea; between Europe and Africa and Asia	a division of an ocean or a large body of salt water partially enclosed by land
	turbulent water with swells of considerable size
	anything apparently limitless in quantity or volume

Mediterranean (adjective)	sea (adjective)
of or relating to or characteristic of or located near the Mediterranean Sea