porker vs suckling pig

porker

noun
  • A pig, especially a castrated male, being fattened and raised for slaughter. 

  • A lie. 

  • A police officer. 

  • An obese person. 

suckling pig

noun
  • An unweaned pig, especially one whose carcass is roasted whole on a spit. 

  • The flesh of such a pig cooked and served as a food item. 

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