inspiration vs brainchild

inspiration and brainchild both are nouns.

Word	Noun	Adjective	Verb	Adverb
inspiration	Yes	No	No	No
brainchild	Yes	No	No	No

As nouns, inspiration and brainchild are synonyms defined as:

inspiration and brainchild: a product of your creative thinking and work

inspiration (noun)	brainchild (noun)
the act of inhaling; the drawing in of air (or other gases) as in breathing	a product of your creative thinking and work
arousing to a particular emotion or action
a product of your creative thinking and work
(theology) a special influence of a divinity on the minds of human beings
a sudden intuition as part of solving a problem
arousal of the mind to special unusual activity or creativity