brainstorm vs insight

brainstorm and insight both are nouns.

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

As nouns, brainstorm and insight are synonyms defined as:

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

Other synonyms of brainstorm include brainwave.

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

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