Aegadian Islands vs Egadi Islands

Aegadian Islands and Egadi Islands both are nouns.

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

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

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

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

Aegadian Islands (noun)	Egadi Islands (noun)
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
a group of islands off the west coast of Sicily in the Mediterranean