avidity vs greed

avidity

noun
  • Greediness; strong appetite. 

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

  • Eagerness; intenseness of desire. 

greed

noun
  • A selfish or excessive desire for more than is needed or deserved, especially of money, wealth, food, or other possessions. 

verb
  • To desire in a greedy manner, or to act on such a desire. 

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