aversion vs avidity

aversion

noun
  • An object of dislike or repugnance. 

  • Opposition or repugnance of mind; fixed dislike often without any conscious reasoning. 

avidity

noun
  • Greediness; strong appetite. 

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

  • Eagerness; intenseness of desire. 

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