carving knife vs tusker

carving knife

noun
  • A knife used to pare, cut, and smooth wood. 

  • A large knife designed for cutting cooked turkey and similar dishes. 

tusker

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

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

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