grunter vs porker

grunter

noun
  • A pig. 

  • One who grunts. 

  • Any of a group of fish of the family Terapontidae, which make a grunting sound when caught. 

porker

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

  • A lie. 

  • A police officer. 

  • An obese person. 

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