mojo vs obeah

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. 

obeah

noun
  • A spell performed in the practice of the magic craft; an item associated with such a spell. 

  • A magician or witch doctor of the magic craft. 

  • A form of folk magic, medicine or witchcraft originating in Africa and practised in parts of the Caribbean. 

verb
  • To bewitch using this kind of folk magic. 

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