retrovision vs vision

retrovision and vision both are nouns.

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

As nouns, vision is a hypernym of retrovision; that is, vision is a word with a broader meaning than retrovision:

retrovision (noun)	vision (noun)
a vision of events in the distant past	the ability to see; the visual faculty
	the perceptual experience of seeing
	a vivid mental image
	the formation of a mental image of something that is not perceived as real and is not present to the senses
	a religious or mystical experience of a supernatural appearance