revelation vs brainstorm

revelation and brainstorm both are nouns.

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

As nouns, brainstorm is a hypernym of revelation; that is, brainstorm is a word with a broader meaning than revelation:

revelation: an enlightening or astonishing disclosure
brainstorm: the clear (and often sudden) understanding of a complex situation

Other hypernyms of revelation include brainwave, insight.

revelation (noun)	brainstorm (noun)
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
the speech act of making something evident

revelation (verb)	brainstorm (verb)
	try to solve a problem by thinking intensely about it