female genitalia vs pee-pee

female genitalia

noun
  • collective or unspecific reference to the vulva and vagina 

pee-pee

noun
  • The penis or vulva; genitalia. 

  • Urine. 

verb
  • To urinate. 

How often have the words female genitalia and pee-pee occurred in a corpus of books? (source: Google Ngram Viewer )