forecasting vs foretelling

forecasting and foretelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
forecasting	Yes	No	No	No
foretelling	Yes	No	No	No

As nouns, forecasting and foretelling are synonyms defined as:

Other synonyms of forecasting include prediction, prognostication.

forecasting (noun)	foretelling (noun)
a statement made about the future	the art or gift of prophecy (or the pretense of prophecy) by supernatural means
	a statement made about the future