bub vs posset

bub

noun
  • An alcoholic malt liquor, especially beer. 

  • A term of familiar address; bubba; bubby. 

  • A woman's breast. 

  • A baby. 

  • A young brother; a little boy; a familiar term of address for a small boy. 

posset

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

  • A baby's vomit, comprising curdled milk. 

verb
  • To treat with possets; to pamper. 

  • To vomit up curdled milk. 

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