Hebridean Islands vs Hebrides

Hebridean Islands and Hebrides both are nouns.

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

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

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

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

Hebridean Islands (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