broadsword vs cutting edge

broadsword

noun
  • 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 person armed with such a sword. 

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

  • Synonym of longsword 

cutting edge

noun
  • The sharp edge of the blade of a knife or other cutting tool. 

  • The forefront, or position of greatest advancement in some field. 

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