Hebridean Islands vs Hebridean Isles

Hebridean Islands and Hebridean Isles both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hebridean Islands	Yes	No	No	No
Hebridean Isles	Yes	No	No	No

As nouns, Hebridean Islands and Hebridean Isles are synonyms defined as:

Hebridean Islands and Hebridean Isles: a group of more than 500 islands off the western coast of Scotland

Other synonyms of Hebridean Islands include Hebrides, Western Islands, Western Isles.

Hebridean Islands (noun)	Hebridean Isles (noun)
a group of more than 500 islands off the western coast of Scotland	a group of more than 500 islands off the western coast of Scotland