alchemy vs hoodoo

alchemy

noun
  • The causing of any sort of mysterious sudden transmutation. 

  • Any elaborate transformation process or algorithm. 

  • The premodern and early modern study of physical changes, particularly in Europe, Arabia, and China and chiefly in pursuit of an elixir of immortality, a universal panacea, and/or a philosopher's stone able to transmute base metals into gold, eventually developing into chemistry. 

hoodoo

noun
  • Supernatural bad luck, or something or someone believed to bring bad luck. 

  • A set of spiritual practices and traditions created and concealed from slave-owners by enslaved Africans in North America, based on traditional African beliefs. 

  • A tall thin spire of rock that protrudes from the bottom of arid basins and badlands. 

  • A practitioner of voodoo. 

verb
  • To jinx; to bring bad luck or misfortune to. 

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