epee vs rapier

epee

noun
  • A sharp-pointed dueling sword with a bell-shaped guard, used (with the end blunted) in sport fencing. 

rapier

noun
  • A slender, straight, sharply pointed sword (double-edged, single-edged or edgeless). 

adj
  • Cutting; employing keen wit. 

  • Extremely sharp. 

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