imp vs pixy

imp and pixy both are nouns.

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

As nouns, imp and pixy are synonyms defined as:

Other synonyms of imp include brownie, elf, gremlin, hob, pixie.

imp (noun)	pixy (noun)
one who is playfully mischievous	(folklore) fairies that are somewhat mischievous
(folklore) fairies that are somewhat mischievous	creeping evergreen shrub having narrow overlapping leaves and early white star-shaped flowers; of the pine barrens of New Jersey and the Carolinas