avidity vs emotion

avidity

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

  • Greediness; strong appetite. 

  • Eagerness; intenseness of desire. 

emotion

noun
  • A reaction by a non-human organism with behavioral and physiological elements similar to a person's response. 

  • A person's internal state of being and involuntary physiological response to an object or a situation, based on or tied to physical state and sensory data. 

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