attenuation vs weakening

attenuation and weakening both are nouns.

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

As nouns, weakening is a hypernym of attenuation; that is, weakening is a word with a broader meaning than attenuation:

attenuation (noun)	weakening (noun)
the property of something that has been weakened or reduced in thickness or density	the act of reducing the strength of something
weakening in force or intensity	becoming weaker

attenuation (adjective)	weakening (adjective)
	causing debilitation
	moderating by making pain or sorrow weaker