piggy vs tusker

piggy

noun
  • A pig (the animal). 

  • A toe. 

  • A pig, a greedy person. 

  • A member of the police. 

  • A guinea pig. 

adj
  • slovenly, dirty 

  • greedy 

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 piggy and tusker occurred in a corpus of books? (source: Google Ngram Viewer )