calculate vs forecast

calculate

verb
  • To plan; to expect; to think. 

  • To determine values or solutions by a mathematical process; reckon. 

  • To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end. 

  • To ascertain or predict by mathematical or astrological computations the time, circumstances, or other conditions of; to forecast or compute the character or consequences of. 

  • To determine the value of something or the solution to something by a mathematical process. 

  • To imagine sequences of potential moves and responses without actually moving the pieces. 

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. 

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