dandle vs posset

dandle

verb
  • To treat with fondness or affection, as if a child; to pet. 

  • To move up and down on one's knee or in one's arms, in affectionate play, usually said of a child. 

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. 

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