prior knowledge vs recollection

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. 

recollection

noun
  • That which is recollected; something called to mind; a reminiscence. 

  • The act or practice of collecting or concentrating the mind; concentration; self-control. 

  • The act of recollecting, or recalling to the memory; the act of recalling to memory. 

  • A spiritual retreat, especially one that is short. 

  • Process of collecting again. 

  • The power of recalling ideas to the mind, or the period within which things can be recollected; remembrance. 

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