feedforward vs prophesy

feedforward

verb
  • To respond in advance 

noun
  • An anticipatory response to expected changes in the environment of a system 

prophesy

verb
  • To foreshow; to herald; to prefigure. 

  • To speak out on the Bible as an expression of holy inspiration; to preach. 

  • To predict, to foretell (with or without divine inspiration). 

  • To speak or write with divine inspiration; to act as prophet. 

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