brownie vs faery

brownie and faery both are nouns.

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

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

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

brownie (noun)	faery (noun)
square or bar of very rich chocolate cake usually with nuts	the enchanted realm of fairies
(folklore) fairies that are somewhat mischievous	a small being, human in form, playful and having magical powers