Aegadian Islands vs Aegadean Isles

Aegadian Islands and Aegadean Isles both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aegadian Islands	Yes	No	No	No
Aegadean Isles	Yes	No	No	No

As nouns, Aegadian Islands and Aegadean Isles are synonyms defined as:

Aegadian Islands and Aegadean Isles: 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

Other synonyms of Aegadian Islands include Aegates Isles.

As nouns, Aegadian Islands and Aegadean Isles are synonyms defined as:

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

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

Aegadian Islands (noun)	Aegadean Isles (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	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