roguishness vs mischief

roguishness and mischief both are nouns.

Word	Noun	Adjective	Verb	Adverb
roguishness	Yes	No	No	No
mischief	Yes	No	No	No

As nouns, roguishness and mischief are synonyms defined as:

roguishness and mischief: reckless or malicious behavior that causes discomfort or annoyance in others

Other synonyms of roguishness include devilment, devilry, deviltry, mischief-making, mischievousness, rascality, roguery, shenanigan.

roguishness (noun)	mischief (noun)
reckless or malicious behavior that causes discomfort or annoyance in others	reckless or malicious behavior that causes discomfort or annoyance in others
the trait of indulging in disreputable pranks	the quality or nature of being harmful or evil