stiletto vs stiletto heel

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). 

stiletto heel

noun
  • A heel of a shoe that is very high and narrow, at least 10 centimeters (4 inches). 

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