dagger vs pigstick

dagger

noun
  • A stabbing weapon, similar to a sword but with a short, double-edged blade. 

  • The text character †; the obelus. 

  • A timber placed diagonally in a ship's frame. 

  • A point scored near the end of the game (clutch time) to take or increase the scorer's team lead, so that they are likely to win. 

verb
  • To pierce with a dagger; to stab. 

pigstick

noun
  • A stick that is used for stabbing. 

  • A staff that carries a flag or pennant above the mast of a sailboat. 

  • A waterjet disruptor used to disable explosive devices. 

verb
  • To stab. 

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