haslet vs innards

haslet

noun
  • The internal organs of an animal, especially the heart and liver of a pig. 

  • A meatloaf made of these organs. 

innards

noun
  • The internal organs of a human or animal; especially viscera, intestines. 

  • The inner workings of something; the insides or guts. 

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