auspice vs foretoken

auspice

noun
  • An omen or a sign. 

  • Patronage or protection. 

verb
  • To be patron of; to sponsor. 

foretoken

noun
  • A prognostic; a premonitory sign; warning or presentiment. 

verb
  • To betoken beforehand; prognosticate; foreshadow; give warning of; presage. 

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