attenuate vs attenuation

attenuate is not a noun while attenuation is a noun.

Word	Noun	Adjective	Verb	Adverb
attenuate	No	Yes	Yes	No
attenuation	Yes	No	No	No

attenuate (noun)	attenuation (noun)
	the property of something that has been weakened or reduced in thickness or density
	weakening in force or intensity

attenuate (adjective)	attenuation (adjective)
reduced in strength

attenuate (verb)	attenuation (verb)
become weaker, in strength, value, or magnitude
weaken the consistency of (a chemical substance)