clairvoyance vs soothsaying

clairvoyance

noun
  • The power to see the future. 

  • Acute intuitive insight or perceptiveness; sagacity. 

soothsaying

noun
  • A method of foretelling the future. 

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