mastication vs munch

mastication

noun
  • The process of chewing. 

  • The process of crushing as though chewed. 

munch

noun
  • An act of eating. 

  • Someone who easily agrees to give oral sex. 

  • A location or restaurant where good eating can be expected. 

  • A casual meeting for those interested in BDSM, usually at a restaurant. 

  • Food. 

verb
  • To eat vigorously or with excitement. 

  • To chew with a grinding, crunching sound, and with the mouth closed. 

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