forecast vs foreshadow

forecast

verb
  • To foreshadow; to suggest something in advance. 

  • To estimate how something will be in the future. 

noun
  • exacta 

  • An estimation of a future condition. 

  • A prediction of the weather. 

foreshadow

verb
  • To presage, or suggest something in advance. 

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