cockteaser vs flirtation

cockteaser

noun
  • A habitual cocktease; someone who is flirtatious and frequently sexually arouses men without providing sexual release. 

flirtation

noun
  • An instance of flirting. 

  • Playing at courtship; coquetry. 

  • A period of experimentation with or interest in a particular idea or activity. 

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