labia vs puss

labia

noun
  • The folds of tissue at the opening of the vulva, at either side of the vagina. 

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 labia and puss occurred in a corpus of books? (source: Google Ngram Viewer )