crystal-gazing vs percipience

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. 

percipience

noun
  • perception 

  • The state or condition of being highly perceptive, as if in an almost hypnotic or telepathic state. 

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