Hebridean Isles vs Hebrides

Hebridean Isles and Hebrides both are nouns.

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

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

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

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

Hebridean Isles (noun)	Hebrides (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