imp vs sprite

imp and sprite both are nouns.

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

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

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

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