scallywag vs monkey

scallywag and monkey both are nouns.

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

As nouns, scallywag and monkey are synonyms defined as:

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

scallywag (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
a white Southerner who supported Reconstruction policies after the American Civil War (usually for self-interest)

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