epiphany vs manifestation

epiphany and manifestation both are nouns.

Word	Noun	Adjective	Verb	Adverb
epiphany	Yes	No	No	No
manifestation	Yes	No	No	No

As nouns, manifestation is a hypernym of epiphany; that is, manifestation is a word with a broader meaning than epiphany:

epiphany (noun)	manifestation (noun)
a divine manifestation	a public display of group feelings (usually of a political nature)
	a manifest indication of the existence or presence or nature of some person or thing
	expression without words
	a clear appearance
	an appearance in bodily form (as of a disembodied spirit)