imp vs fairy

imp and fairy both are nouns.

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

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

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

imp (noun)	fairy (noun)
one who is playfully mischievous	a small being, human in form, playful and having magical powers
(folklore) fairies that are somewhat mischievous	offensive term for a homosexual man