avidity vs philanthropy

avidity

noun
  • Greediness; strong appetite. 

  • The measure of the synergism of the strength of individual interactions between proteins. 

  • Eagerness; intenseness of desire. 

philanthropy

noun
  • Benevolent altruism with the intention of increasing the well-being of humankind. 

  • Charitable giving, charity. 

  • A philanthropic act. 

  • A charitable foundation. 

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