clairvoyance vs precognition

clairvoyance

noun
  • Acute intuitive insight or perceptiveness; sagacity. 

  • The power to see the future. 

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. 

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