shish kebab vs skewer

shish kebab

noun
  • A dish made of small pieces of meat, with or without vegetables, which are skewered on a wooden or metal stick and roasted in an oven or over an open fire. 

  • A crystal structure consisting of a central spine (the shish) and disks or lumps growing out from it (the kebab). 

skewer

noun
  • Food served on a skewer. 

  • That which skews something. 

  • A long pin, normally made of metal or wood, used to secure food during cooking. 

  • A scenario in which a piece attacks a more valuable piece which, if it moves aside, reveals a less valuable piece. 

verb
  • To impale on a skewer. 

  • To attack a piece which has a less valuable piece behind it. 

  • To severely mock or discredit. 

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