bippy vs fanny

bippy

noun
  • An unspecified part of the anatomy, usually used in the phrase "you bet your (sweet) bippy" 

fanny

noun
  • The buttocks; arguably the most nearly polite of several euphemisms. 

  • The female genitalia. 

  • Women viewed as sexual objects. 

  • Mess kettle or cooking pot. 

  • Sexual intercourse with a woman. 

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