cook over an open pit vs sear

cook over an open pit

sear

noun
  • A scar produced by searing 

  • Part of a gun that retards the hammer until the trigger is pulled. 

adj
  • Dry; withered, especially of vegetation. 

verb
  • To char, scorch, or burn the surface of (something) with a hot instrument. 

  • To make callous or insensible. 

  • To wither; to dry up. 

  • To mark permanently, as if by burning. 

How often have the words cook over an open pit and sear occurred in a corpus of books? (source: Google Ngram Viewer )