brownie vs imp

brownie and imp both are nouns.

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

As nouns, brownie and imp are synonyms defined as:

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

brownie (noun)	imp (noun)
square or bar of very rich chocolate cake usually with nuts	one who is playfully mischievous
(folklore) fairies that are somewhat mischievous	(folklore) fairies that are somewhat mischievous