crystal-gazing vs foresight

crystal-gazing

noun
  • The action or practice of gazing into a crystal ball in the hope or belief of seeing the future. 

  • The making of predictions about the future, especially when these are seen as very speculative. 

foresight

noun
  • The ability to foresee or prepare wisely for the future. 

  • a bearing taken forwards towards a new object 

  • the front sight on a rifle or similar weapon 

How often have the words crystal-gazing and foresight occurred in a corpus of books? (source: Google Ngram Viewer )