posset vs take care of

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. 

take care of

verb
  • To deal with, handle. 

  • To look after, to provide care for. 

  • To kill. 

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