posset vs toy with

posset

verb
  • To treat with possets; to pamper. 

  • To vomit up curdled milk. 

noun
  • A beverage composed of hot milk curdled by some strong infusion, such as wine. 

  • A baby's vomit, comprising curdled milk. 

toy with

verb
  • To handle something in a careless or frivolous manner. 

  • To play, especially with or as with a toy. 

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