pubic region vs puss

pubic region

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

puss

noun
  • The vulva (female genitalia). 

  • The face. 

  • A coward; a wuss; someone who is unable to stand up for themself. 

  • A cat. 

  • Sex with a woman. 

  • The mouth. 

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