deviltry vs mischief-making

deviltry and mischief-making both are nouns.

Word	Noun	Adjective	Verb	Adverb
deviltry	Yes	No	No	No
mischief-making	Yes	No	No	No

As nouns, deviltry and mischief-making are synonyms defined as:

deviltry and mischief-making: reckless or malicious behavior that causes discomfort or annoyance in others

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

deviltry (noun)	mischief-making (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