keister vs moneymaker

keister

noun
  • The anus or buttocks. 

  • A suitcase or satchel. 

verb
  • To conceal something in one's rectum 

moneymaker

noun
  • (usually a woman's) butt, ass, rear end 

  • Someone or something that earns or makes money; anything lucrative or profitable. 

  • A lady’s breast. 

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