braai vs shish kebab

braai

noun
  • A barbecue (grill), especially an open outdoor grill built specifically for the purpose of braaing. 

  • A social meeting, including the braaing of meat; a cookout. 

verb
  • To grill meat over an open flame (not on a gass grill). 

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). 

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