liberality vs severity

liberality

noun
  • The property of being liberal; generosity; charity. 

  • A gift; a gratuity. 

  • Impartiality. 

  • Candor. 

severity

noun
  • The degree of something undesirable; badness or seriousness. 

  • The state of being severe. 

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