cast a spell over vs enchant

cast a spell over

enchant

verb
  • To attract and delight, to charm. 

  • To magically enhance or degrade an item. 

  • To cast a spell upon (often one that attracts or charms). 

noun
  • An enchantment 

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