shiv vs stoker

shiv

noun
  • A particular woody by-product of processing flax or hemp. 

  • A knife, especially a makeshift one fashioned from something not normally used as a weapon (like a plastic spoon or a toothbrush). 

verb
  • To stab someone with a shiv. 

  • To stab someone with anything not normally used as a stabbing weapon. 

stoker

noun
  • A device that feeds coal into a furnace, etc., automatically. 

  • A person who stokes, especially one on a steamship or steam train, who stokes coal in the boilers. 

  • A person who pedals on the back of a tandem bicycle. 

  • A device for stoking a fire; a poker. 

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