bastinado vs billy

bastinado

noun
  • A blow with a cudgel or stick. 

  • Beating the bare soles of the feet with a stick as a form of corporal punishment used primarily within prisons in various countries. The receiving person is required to be barefoot. 

verb
  • To punish a person by beating the bare soles of the feet, using a stick or truncheon. 

billy

noun
  • A slubbing or roving machine. 

  • A good friend. 

  • A billy club. 

  • A billy goat. 

  • A male goat; a ram. 

  • A bong for smoking marijuana. 

  • A tin with a swing handle used to boil tea over an open fire; a billycan; a billypot. 

  • A condom. 

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