barong vs carving knife

barong

noun
  • A cutting weapon similar to a cleaver, with a thick back and thin razor-like edge, used by the Moros of the Philippines. 

carving knife

noun
  • A knife used to pare, cut, and smooth wood. 

  • A large knife designed for cutting cooked turkey and similar dishes. 

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