cruelty vs evil

cruelty

noun
  • An indifference to suffering or pleasure in inflicting suffering. 

  • A cruel act. 

evil

noun
  • Something which impairs the happiness of a being or deprives a being of any good; something which causes suffering of any kind to sentient beings; harm; injury; mischief. 

  • Moral badness; wickedness; malevolence; the forces or behaviors that are the opposite or enemy of good. 

adj
  • Unpleasant, foul (of odour, taste, mood, weather, etc.). 

  • Undesirable; harmful; bad practice. 

  • Intending to harm; malevolent. 

  • Morally corrupt. 

  • Producing or threatening sorrow, distress, injury, or calamity; unpropitious; calamitous. 

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