fanny vs pubic region

fanny

noun
  • The female genitalia. 

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

  • Women viewed as sexual objects. 

  • Mess kettle or cooking pot. 

  • Sexual intercourse with a woman. 

pubic region

noun
  • The central part of the (notably human) body near the pubes and the pubis, including the genitalia. 

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