palm reading vs foretelling

palm reading and foretelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
palm reading	Yes	No	No	No
foretelling	Yes	No	No	No

As nouns, foretelling is a hypernym of palm reading; that is, foretelling is a word with a broader meaning than palm reading:

palm reading: telling fortunes by lines on the palm of the hand
foretelling: the art or gift of prophecy (or the pretense of prophecy) by supernatural means

Other hypernyms of palm reading include divination, fortune telling, soothsaying.

palm reading (noun)	foretelling (noun)
telling fortunes by lines on the palm of the hand	the art or gift of prophecy (or the pretense of prophecy) by supernatural means
	a statement made about the future