Cuban heel vs stiletto heel

Cuban heel

noun
  • A relatively low-style of high heel shoes, characterised by a slightly tapered back and a straight front 

  • A type of heel used for men's boots similar to the heel on cowboy boots 

  • Women's sheer stockings or pantyhose with a prominent thin rectangle heel reinforcement at the base of back seam (A thick rectangle heel reinforcement is a Havana Heel) 

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 Cuban heel and stiletto heel occurred in a corpus of books? (source: Google Ngram Viewer )