hex vs mojo

hex

noun
  • An evil spell or curse. 

  • A spell (now rare but still found in compounds such as hex sign and hexcraft). 

  • A hexagonal space on a game board. 

  • A witch. 

  • a hexagon-shaped item of rock climbing equipment intended to be wedged into a crack or other opening in the rock. 

verb
  • To cast a spell on (specifically an evil spell), to bewitch. 

mojo

noun
  • A magic charm or spell. 

  • A telecopier; a fax machine. 

  • Any of various sauces originating in the Canary Islands and made with olive oil, peppers, garlic, paprika, and other spices. 

  • Sex appeal; sex drive. 

  • Personal magnetism; charm. 

  • Supernatural skill or luck. 

  • Illegal drugs. 

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