kushiyaki vs shiv

kushiyaki

noun
  • A Japanese technique for serving chicken or other foods on a skewer. 

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. 

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