panga vs scalpel

panga

noun
  • A large broad-bladed knife. 

  • A type of modest-sized, open, outboard-powered, fishing boat common throughout much of the developing world, including Central America, the Caribbean, parts of Africa, the Middle East, and much of Asia. 

  • A small inflatable motorboat used in Latin America. 

  • Any of various edible freshwater fish of the genus Pangasius, native to southeast Asia, especially the iridescent shark, Pangasius hypophthalmus, now reclassified as Pangasianodon hypophthalmus. 

scalpel

noun
  • A small straight knife with a very sharp blade used for surgery, dissection and craftwork. 

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