Cuban heel vs wedge heel

Cuban heel

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

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

  • 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) 

wedge heel

noun
  • A shoe with such a heel. 

  • A shoe's heel which is part of the sole. 

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