imp vs faerie

imp and faerie both are nouns.

Word	Noun	Adjective	Verb	Adverb
imp	Yes	No	No	No
faerie	Yes	No	No	No

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

Other hypernyms of imp include faery, fairy, fay, sprite.

imp (noun)	faerie (noun)
one who is playfully mischievous	the enchanted realm of fairies
(folklore) fairies that are somewhat mischievous	a small being, human in form, playful and having magical powers