amyotrophy vs atrophy

amyotrophy and atrophy both are nouns.

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

As nouns, atrophy is a hypernym of amyotrophy; that is, atrophy is a word with a broader meaning than amyotrophy:

Other hypernyms of amyotrophy include wasting, wasting away.

amyotrophy (noun)	atrophy (noun)
progressive wasting of muscle tissues	any weakening or degeneration (especially through lack of use)
	a decrease in size of an organ caused by disease or disuse

amyotrophy (verb)	atrophy (verb)
	undergo atrophy