barong vs fascine 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. 

fascine knife

noun
  • A large, heavy knife or short sword used as a sidearm and tool by 17th to 19th century infantry and artillery. 

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