gyrus vs convolution

gyrus and convolution both are nouns.

Word	Noun	Adjective	Verb	Adverb
gyrus	Yes	No	No	No
convolution	Yes	No	No	No

As nouns, gyrus and convolution are synonyms defined as:

gyrus and convolution: a convex fold or elevation in the surface of the brain

gyrus (noun)	convolution (noun)
a convex fold or elevation in the surface of the brain	the action of coiling or twisting or winding together
	a convex fold or elevation in the surface of the brain
	the shape of something rotating rapidly