cervix vs nape

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. 

nape

noun
  • The back part of the neck. 

  • Napalm. 

  • The part of a fish or bird immediately behind the head. 

verb
  • To bombard with napalm. 

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