vision vs prevision

vision and prevision both are nouns.

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

As nouns, prevision is a hyponym of vision; that is, prevision is a word with a more specific, narrower meaning than vision:

Other hyponyms of vision include retrovision.

vision (noun)	prevision (noun)
the ability to see; the visual faculty	the power to foresee the future
the perceptual experience of seeing	a prophetic vision (as in a dream)
a vivid mental image	seeing ahead; knowing in advance; foreseeing
the formation of a mental image of something that is not perceived as real and is not present to the senses	the act of predicting (as by reasoning about the future)
a religious or mystical experience of a supernatural appearance