rascal vs varlet

rascal and varlet both are nouns.

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

As nouns, rascal and varlet are synonyms defined as:

Other synonyms of rascal include knave, rapscallion, rogue, scalawag, scallywag.

rascal (noun)	varlet (noun)
one who is playfully mischievous	in medieval times a youth acting as a knight's attendant as the first stage in training for knighthood
a deceitful and unreliable scoundrel	a deceitful and unreliable scoundrel