cruelty vs generosity

cruelty

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

  • A cruel act. 

generosity

noun
  • A generous act. 

  • The trait of being abundant, more than adequate. 

  • The trait of being willing to donate money, time or resources. 

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