presage vs presentiment

presage and presentiment both are nouns.

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

As nouns, presentiment is a hypernym of presage; that is, presentiment is a word with a broader meaning than presage:

Other hypernyms of presage include boding, foreboding, premonition.

presage (noun)	presentiment (noun)
a sign of something about to happen	a feeling of evil to come
a foreboding about what is about to happen

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