adumbration vs prevision

adumbration and prevision both are nouns.

Word	Noun	Adjective	Verb	Adverb
adumbration	Yes	No	No	No
prevision	Yes	No	No	No

As nouns, prevision is a hypernym of adumbration; that is, prevision is a word with a broader meaning than adumbration:

adumbration: the act of providing vague advance indications; representing beforehand
prevision: the act of predicting (as by reasoning about the future)

Other hypernyms of adumbration include anticipation, prediction.

adumbration (noun)	prevision (noun)
a sketchy or imperfect or faint representation	the power to foresee the future
the act of providing vague advance indications; representing beforehand	a prophetic vision (as in a dream)
	seeing ahead; knowing in advance; foreseeing
	the act of predicting (as by reasoning about the future)