blunderbuss vs flintlock

blunderbuss

noun
  • An old style of muzzleloading firearm and early form of shotgun with a distinctive short, large caliber barrel that is flared at the muzzle, therefore able to fire scattered quantities of nails, stones, shot, etc. at short range. 

verb
  • To shoot with a blunderbuss. 

flintlock

noun
  • An early type of firearm, using a spring-loaded flint to strike sparks into the firing pan. 

  • A type of lock used on muskets, rifles, and pistols from the early 17th to the mid-19th century. 

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