devilry vs white magic

devilry

noun
  • An act of such mischief, wickedness, cruelty, or witchcraft. 

  • Wickedness; cruelty. 

  • mischief. 

  • An action performed with the help of a devil; witchcraft. 

white magic

noun
  • Magic derived from good or benign forces, as distinct from evil or malevolent forces; or magic performed with the intention of doing good or giving aid. 

How often have the words devilry and white magic occurred in a corpus of books? (source: Google Ngram Viewer )