broadsword vs nunchaku

broadsword

noun
  • A person armed with such a sword. 

  • A type of early modern sword that has a broad double-edged blade for cutting (as opposed to the more slender thrust-oriented rapier) and typically a basket hilt. 

  • A flat, rectangular bread made from corn (maize) and beans by the Cherokee, traditionally by boiling rather than baking it. 

  • Synonym of longsword 

nunchaku

noun
  • The skill of using this weapon in martial arts. 

  • A weapon originating from Okinawa, Japan, consisting of two sticks joined by a chain or cord. 

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