chorea vs degenerative disorder

chorea and degenerative disorder both are nouns.

Word	Noun	Adjective	Verb	Adverb
chorea	Yes	No	No	No
degenerative disorder	Yes	No	No	No

As nouns, degenerative disorder is a hypernym of chorea; that is, degenerative disorder is a word with a broader meaning than chorea:

chorea: any of several degenerative nervous disorders characterized by spasmodic movements of the body and limbs
degenerative disorder: condition leading to progressive loss of function

Other hypernyms of chorea include nervous disorder, neurological disease, neurological disorder.

chorea (noun)	degenerative disorder (noun)
any of several degenerative nervous disorders characterized by spasmodic movements of the body and limbs	condition leading to progressive loss of function
chorea in dogs