wasting vs atrophy

wasting and atrophy both are nouns.

Word	Noun	Adjective	Verb	Adverb
wasting	Yes	No	No	No
atrophy	Yes	No	Yes	No

As nouns, wasting and atrophy are synonyms defined as:

wasting and atrophy: a decrease in size of an organ caused by disease or disuse

Other synonyms of wasting include wasting away.

wasting (noun)	atrophy (noun)
a decrease in size of an organ caused by disease or disuse	any weakening or degeneration (especially through lack of use)
any general reduction in vitality and strength of body and mind resulting from a debilitating chronic disease	a decrease in size of an organ caused by disease or disuse

wasting (verb)	atrophy (verb)
	undergo atrophy