cervix vs scruff

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. 

scruff

noun
  • The back of the neck, nape; also scruff of the neck. 

  • Someone with an untidy appearance. 

  • The loose skin at the back of the neck of some animals. 

  • Stubble, facial hair (on males). 

verb
  • To lift or carry by the scruff. 

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