chorea vs nervous disorder

chorea and nervous disorder both are nouns.

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

As nouns, nervous disorder is a hypernym of chorea; that is, nervous 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
nervous disorder: a disorder of the nervous system

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

chorea (noun)	nervous disorder (noun)
any of several degenerative nervous disorders characterized by spasmodic movements of the body and limbs	a disorder of the nervous system
chorea in dogs