stiletto vs stylet

stiletto

noun
  • A woman's shoe with a tall, slender heel (called a stiletto heel). 

  • An awl. 

  • A small, slender knife or dagger-like weapon intended for stabbing. 

  • A rapier. 

verb
  • To attack or kill with a stiletto (dagger). 

stylet

noun
  • A poniard or stiletto. 

  • A style of a plant's flower. 

  • A slender medical probe or device. 

  • A stiff, slender organ of an animal. 

  • An engraving tool, a stylus. 

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