abomasum vs fauces

abomasum

noun
  • The fourth or digestive compartment of the stomach of a cow or other ruminant, after the omasum; 

  • the lining of said compartment, considered as a foodstuff. 

fauces

noun
  • The throat of a calyx, corolla, etc. 

  • That portion of the interior of a spiral shell which can be seen by looking into the aperture. 

  • The narrow passage from the mouth to the pharynx, situated between the soft palate and the base of the tongue. 

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