leniency vs liberality

leniency

noun
  • An act of being lenient. 

  • The quality of mercy or forgiveness, especially in the assignment of punishment as in a court case. 

liberality

noun
  • Impartiality. 

  • The property of being liberal; generosity; charity. 

  • A gift; a gratuity. 

  • Candor. 

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