insight vs revelation

insight and revelation both are nouns.

Word	Noun	Adjective	Verb	Adverb
insight	Yes	No	No	No
revelation	Yes	No	No	No

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

Other hyponyms of insight include light, breakthrough, discovery, find, flash.

insight (noun)	revelation (noun)
grasping the inner nature of things intuitively	an enlightening or astonishing disclosure
the clear (and often sudden) understanding of a complex situation	communication of knowledge to man by a divine or supernatural agency
clear or deep perception of a situation	the speech act of making something evident
a feeling of understanding