refract vs refraction

refract is not a noun while refraction is a noun.

Word	Noun	Adjective	Verb	Adverb
refract	No	No	Yes	No
refraction	Yes	No	No	No

refract (noun)	refraction (noun)
	the amount by which a propagating wave is bent
	the change in direction of a propagating wave (light or sound) when passing from one medium to another

refract (verb)	refraction (verb)
determine the refracting power of (a lens)
subject to refraction