#deafness  partial or complete loss of hearing
  supertype:  hearing_impairment__hearingimpairment__hearing_loss  impairment of the sense of hearing
  subtype:  tone_deafness  an inability to distinguish differences in pitch
  subtype:  deaf-mutism__deaf-muteness  congenital deafness that results in inability to speak

No statement uses or specializes deafness; click here to add one.