pee-pee vs pubic region

pee-pee

noun
  • The penis or vulva; genitalia. 

  • Urine. 

verb
  • To urinate. 

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 pee-pee and pubic region occurred in a corpus of books? (source: Google Ngram Viewer )