hunting knife vs poniard

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. 

poniard

noun
  • A dagger typically having a slender square or triangular blade. 

verb
  • To stab with a poniard. 

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