insight vs brainstorm

insight and brainstorm both are nouns.

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

As nouns, insight and brainstorm are synonyms defined as:

insight and brainstorm: the clear (and often sudden) understanding of a complex situation

Other synonyms of insight include brainwave.

insight (noun)	brainstorm (noun)
grasping the inner nature of things intuitively	the clear (and often sudden) understanding of a complex situation
the clear (and often sudden) understanding of a complex situation
clear or deep perception of a situation
a feeling of understanding

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