amulet vs hex

amulet

noun
  • A kind of protective charm or ornament, often bearing magical symbols, worn for protection against ill will, negative influences, or evil spirits. 

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. 

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