presage vs foreshadow

presage is a noun but foreshadow is not a noun.

Word	Noun	Adjective	Verb	Adverb
presage	Yes	No	Yes	No
foreshadow	No	No	Yes	No

As verbs, presage and foreshadow are synonyms defined as:

Other synonyms of presage include augur, auspicate, betoken, bode, forecast, foretell, omen, portend, predict, prefigure, prognosticate.

presage (noun)	foreshadow (noun)
a sign of something about to happen
a foreboding about what is about to happen

presage (verb)	foreshadow (verb)
indicate, as with a sign or an omen	indicate, as with a sign or an omen