porker vs razorback

porker

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

  • A lie. 

  • A police officer. 

  • An obese person. 

razorback

noun
  • A feral pig. 

  • The rorqual or finback whale. 

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