mischief. / Wickedness; cruelty. / An action performed with the help of a devil; witchcraft. / An act of such mischief, wickedness, cruelty, or witchcraft.

plural of devilry

Alternative letter-case form of printer's devilry (“crossword puzzle”)

A type of crossword puzzle where solvers have to identify the string of letters, spelling out a word, that has been removed from a sentence. / A typographical error.