avidity vs wanna

avidity

noun
  • Greediness; strong appetite. 

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

  • Eagerness; intenseness of desire. 

wanna

abbrev
  • Represents a contracted pronunciation of want a. 

  • Represents a contracted pronunciation of want to. 

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