hearing disorder vs disability

hearing disorder and disability both are nouns.

Word	Noun	Adjective	Verb	Adverb
hearing disorder	Yes	No	No	No
disability	Yes	No	No	No

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

hearing disorder: impairment of the sense of hearing
disability: the condition of being unable to perform as a consequence of physical or mental unfitness

Other hypernyms of hearing disorder include disablement, handicap, impairment.

hearing disorder (noun)	disability (noun)
impairment of the sense of hearing	the condition of being unable to perform as a consequence of physical or mental unfitness