hunting knife vs shortsword

hunting knife

noun
  • A large knife designed for use in hunting animals, usually with a smooth front edge and a back edge that is partially serrated for sawing. 

shortsword

noun
  • A sword of a class generally shorter than one meter, but longer than a dagger. 

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