divination vs prior knowledge

divination

noun
  • The apparent art of discovering secrets or the future by preternatural means. 

  • The act of divining; a foreseeing or foretelling of future events. 

  • An indication of what is to come in the future or what is secret; a prediction. 

prior knowledge

noun
  • Used other than figuratively or idiomatically: see prior, knowledge. 

  • Knowledge of a set of circumstances sufficient to make actions based on those circumstances wrongful. 

  • Prior to the inception of an insurance policy, knowledge of specific extant circumstances that could reasonably give rise to a claim under that policy. 

How often have the words divination and prior knowledge occurred in a corpus of books? (source: Google Ngram Viewer )