cold meat vs worm food

cold meat

noun
  • One or more corpses. 

  • Any cold cooked meat such as luncheon meat or lunch meat, spam, chopped pork, corned beef, and so on. 

worm food

noun
  • One or more corpses, especially in a state of decay; remains. 

How often have the words cold meat and worm food occurred in a corpus of books? (source: Google Ngram Viewer )