rascal vs monkey

rascal and monkey both are nouns.

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

As nouns, rascal and monkey are synonyms defined as:

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

rascal (noun)	monkey (noun)
one who is playfully mischievous	any of various long-tailed primates (excluding the prosimians)
a deceitful and unreliable scoundrel	one who is playfully mischievous

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