precognition vs prognosis

precognition

noun
  • Knowledge of the future; understanding of something in advance, especially as a form of supernatural or extrasensory perception. 

  • The practice of taking a factual statement from a witness before a trial. 

prognosis

noun
  • A forecast of the future course or outcome of a disease or disorder based on current medical knowledge. 

  • A forecast of the future course or outcome of a situation based on what is presently known; a prediction. 

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