liberality vs unselfishness

liberality

noun
  • Impartiality. 

  • The property of being liberal; generosity; charity. 

  • A gift; a gratuity. 

  • Candor. 

unselfishness

noun
  • The state of being unselfish. 

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