malicious mischief vs rascality

malicious mischief and rascality both are nouns.

Word	Noun	Adjective	Verb	Adverb
malicious mischief	Yes	No	No	No
rascality	Yes	No	No	No

As nouns, rascality is a hypernym of malicious mischief; that is, rascality is a word with a broader meaning than malicious mischief:

malicious mischief: willful wanton and malicious destruction of the property of others
rascality: reckless or malicious behavior that causes discomfort or annoyance in others

malicious mischief (noun)	rascality (noun)
willful wanton and malicious destruction of the property of others	reckless or malicious behavior that causes discomfort or annoyance in others
	the trait of indulging in disreputable pranks
	the quality of being a slippery rascal