crack onto vs enchant

crack onto

verb
  • To flirt with; to approach and speak to (someone), seeking romance, love, sex, etc. 

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 crack onto and enchant occurred in a corpus of books? (source: Google Ngram Viewer )