Oberson vs faery

Oberson and faery both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oberson	Yes	No	No	No
faery	Yes	No	No	No

As nouns, faery is a hypernym of Oberson; that is, faery is a word with a broader meaning than Oberson:

Oberson: (Middle Ages) the king of the fairies and husband of Titania in medieval folklore
faery: a small being, human in form, playful and having magical powers

Other hypernyms of Oberson include faerie, fairy, fay, sprite.

Oberson (noun)	faery (noun)
(Middle Ages) the king of the fairies and husband of Titania in medieval folklore	the enchanted realm of fairies
	a small being, human in form, playful and having magical powers