disorder vs failure

Other hyponyms of disorder include immunological disorder, functional disorder, organic disorder, abocclusion, abruptio placentae, achlorhydria, acholia, cholestasis, achylia, achylia gastrica, acute brain disorder, acute organic brain syndrome, ailment, complaint, ill, eating disorder, bladder disorder, cardiovascular disease, celiac disease, cheilosis, perleche, choking, colpoxerosis, degenerative disorder, dysaphia, dysosmia, olfactory impairment, parosamia, dysphagia, dysuria, fantods, adenosis, gland disease, glandular disease, glandular disorder, hyperactivity, impacted tooth, impaction, impaction, learning disability, learning disorder, malocclusion, idiopathic disease, idiopathic disorder, idiopathy, disturbance, folie, mental disorder, mental disturbance, psychological disorder, metabolic disorder, nervous disorder, neurological disease, neurological disorder, hydrocele, sleep disorder, strangulation, haematocolpometra, hematocolpometra, haematocolpos, hematocolpos, defect of speech, speech defect, speech disorder, psilosis, sprue, tropical sprue.