hunting knife vs smallsword

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. 

smallsword

noun
  • A light one-handed sword, designed for thrusting, which evolved out of the longer and heavier rapier of the late Renaissance. 

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