Morgan le Fay vs faerie

Morgan le Fay and faerie both are nouns.

Word	Noun	Adjective	Verb	Adverb
Morgan le Fay	Yes	No	No	No
faerie	Yes	No	No	No

As nouns, faerie is a hypernym of Morgan le Fay; that is, faerie is a word with a broader meaning than Morgan le Fay:

Morgan le Fay: (Arthurian legend) a wicked enchantress who was the half sister and enemy of King Arthur
faerie: a small being, human in form, playful and having magical powers

Other hypernyms of Morgan le Fay include faery, fairy, fay, sprite.

Morgan le Fay (noun)	faerie (noun)
(Arthurian legend) a wicked enchantress who was the half sister and enemy of King Arthur	the enchanted realm of fairies
	a small being, human in form, playful and having magical powers