grunter vs tusker

grunter

noun
  • A pig. 

  • One who grunts. 

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

tusker

noun
  • An animal, such as a bull elephant or a boar, with large tusks. 

  • A tool used in peat cutting, a type of spade similar to a cascrom. 

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