cervix vs kisser

cervix

noun
  • The neck 

  • The lower, narrow portion of the uterus where it joins with the top end of the vagina. 

  • The necklike portion of any part, as of the womb. 

kisser

noun
  • Mouth. 

  • One who kisses. 

  • The kissing gourami. 

  • A button on a bowstring that indicates consistent height when drawing a bow, for example by being placed against the archer's mouth . 

  • Face. 

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