imp vs monkey

imp and monkey both are nouns.

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

As nouns, imp and monkey are synonyms defined as:

Other synonyms of imp include rapscallion, rascal, scalawag, scallywag, scamp.

imp (noun)	monkey (noun)
one who is playfully mischievous	any of various long-tailed primates (excluding the prosimians)
(folklore) fairies that are somewhat mischievous	one who is playfully mischievous

imp (verb)	monkey (verb)
	do random, unplanned work or activities or spend time idly
	play around with or alter or falsify, usually secretively or dishonestly