rascal vs imp

rascal and imp both are nouns.

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

As nouns, rascal and imp are synonyms defined as:

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

rascal (noun)	imp (noun)
one who is playfully mischievous	one who is playfully mischievous
a deceitful and unreliable scoundrel	(folklore) fairies that are somewhat mischievous