atrophy vs kraurosis

atrophy and kraurosis both are nouns.

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

As nouns, kraurosis is a hyponym of atrophy; that is, kraurosis is a word with a more specific, narrower meaning than atrophy:

Other hyponyms of atrophy include amyotrophia, amyotrophy, tabes.

atrophy (noun)	kraurosis (noun)
any weakening or degeneration (especially through lack of use)	atrophy and shriveling of the skin or mucous membrane
a decrease in size of an organ caused by disease or disuse

atrophy (verb)	kraurosis (verb)
undergo atrophy