champ vs cud

champ

verb
  • to bite or chew, especially noisily or impatiently. 

  • To camp overnight in a historic church as a novelty or part of a holiday. 

noun
  • champagne 

  • buddy, sport, mate (as a term of address) 

  • a meal of mashed potatoes and scallions 

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. 

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