hunting knife vs katara

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. 

katara

noun
  • An Indian push dagger with an H-shaped handle, used predominantly ceremonially, and rarely as a weapon. 

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