Prognosis rhymes with:
diagnosis, misdiagnosis, diagnosis, hypnosis, misdiagnosis, acidosis, apotheosis, arteriosclerosis, asbestosis, cirrhosis, diagnosis, fibrosis, heterosis, hypnosis, meiosis, misdiagnosis, necrosis, nephrosis, neurosis, psychosis, sclerosis, symbiosis, thrombosis
Prognosis sounds like:
parisians, parking, parkins, parsimonious, parsing, parsonage, parsonages, parsons, pearson's, perchance, perishing, perking, perkins, perkins', perkins's, pershing, pershing's, pershings, persians, persing, person's, personic, personics, persons, persuasions, perusing, phrasing, piercing, praising, preaching, preakness, pregnancies, pregnancy, presaging, prescience, presence, presences, pressing, presumes, presuming, pricing, pricings, prisms, prison's, prisons, processing, processions, prognoses, prusinski, purchasing, purging, pursuing