atlatl vs machete

atlatl

noun
  • A spearthrower consisting of a wooden stick with a thong or perpendicularly protruding hook on the rear end that grips a grove or socket on the butt of its accompanying spear (or dart), intended to steady the spear immediately prior to throwing, to increase its potential range when thrown, and to increase its force of penetration of the target. 

machete

noun
  • A sword-like tool used for cutting large plants with a chopping motion, or as a weapon. The blade is usually 50 to 65 centimeters long, and up to three millimeters thick. 

  • A small stringed instrument from Madeira, Portugal, having a double bulged body, traditionally of wood, with a small rib and four metallic strings, sometimes attached by wooden pegs. 

verb
  • To cut or chop with a machete. 

  • To hack or chop crudely with a blade other than a machete. 

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