machete vs singlestick

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. 

singlestick

noun
  • A one-handed wooden stick used for fencing in place of a sword. 

  • A martial art, sport or exercise using a cudgel or backsword. 

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