atrophy vs wasting

atrophy and wasting both are nouns.

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

As nouns, atrophy and wasting are synonyms defined as:

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

Other synonyms of atrophy include wasting away.

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

atrophy (verb)	wasting (verb)
undergo atrophy