Sicily vs Mediterranean

Sicily and Mediterranean both are nouns.

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

Sicily (noun)	Mediterranean (noun)
the Italian region on the island of Sicily	the largest inland sea; between Europe and Africa and Asia
the largest island in the Mediterranean

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