Egadi Islands vs Aegadian Islands

Egadi Islands and Aegadian Islands both are nouns.

Word	Noun	Adjective	Verb	Adverb
Egadi Islands	Yes	No	No	No
Aegadian Islands	Yes	No	No	No

As nouns, Egadi Islands and Aegadian Islands are synonyms defined as:

Egadi Islands and Aegadian Islands: a group of islands off the west coast of Sicily in the Mediterranean

Other synonyms of Egadi Islands include Aegadean Islands, Aegadean Isles, Aegates, Isole Egadi.

Egadi Islands (noun)	Aegadian Islands (noun)
a group of islands off the west coast of Sicily in the Mediterranean	islands west of Sicily (now known as the Egadi Islands) where the Romans won a naval victory over the Carthaginians that ended the first Punic War in 241 BC
	a group of islands off the west coast of Sicily in the Mediterranean