cud vs masticate

cud

verb
  • To bring back into the mouth and chew a second time. 

noun
  • The portion of food which is brought back into the mouth by ruminating animals from their first stomach, to be chewed a second time. 

masticate

verb
  • To chew (food). 

  • To grind or knead something into a pulp. 

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