cast a spell on vs hex

cast a spell on

hex

verb

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

noun

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

  • A hexagonal space on a game board. 

  • An evil spell or curse. 

  • A witch. 

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

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