feedforward vs stand by

feedforward

verb
  • To respond in advance 

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

stand by

verb
  • To wait in expectation of some event; to be ready. 

  • To support; to continue to support despite things being bad. 

  • To remain loyal or faithful to. 

  • To do nothing. To be inactive in a situation. 

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