deviltry vs mischievousness

deviltry and mischievousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
deviltry	Yes	No	No	No
mischievousness	Yes	No	No	No

As nouns, deviltry and mischievousness are synonyms defined as:

deviltry and mischievousness: reckless or malicious behavior that causes discomfort or annoyance in others

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

deviltry (noun)	mischievousness (noun)
wicked and cruel behavior	reckless or malicious behavior that causes discomfort or annoyance in others
reckless or malicious behavior that causes discomfort or annoyance in others	an attribute of mischievous children
	the trait of behaving like an imp