avidity vs disinclination

avidity

noun
  • Eagerness; intenseness of desire. 

  • Greediness; strong appetite. 

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

disinclination

noun
  • The state of being disinclined; want of propensity, desire, or affection; slight aversion or dislike 

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