Here's what rhymes with nondiagnosis.
diagnosis prognosis meiosis ptosis necrosis cirrhosis neurosis cyanosis mitosis sclerosis acidosis hypnosis psychosis misdiagnosis fibrosis thrombosis apoptosis apotheosis scoliosis symbiosis aponeurosis sarcoidosis halitosis arteriosus phagocytosis amyloidosis mononucleosis psychoneurosis leukocytosis metempsychosis erythematosus hydronephrosis arteriosclerosis Words that almost rhyme with nondiagnosis
doses novas noshes moshes poses atrocious ferocious sofas cosmoses imposes mimosas samosas precocious pavlovas supernovas reimposes superimposes notice modus focus locus bonus hostess lotus bogus bolus foetus polis loess poetess crocus lowness bolas colas coronas togas goalless cloacas moments poets hopeless homeless slowness doughnuts embolus nobleness poultice soulless boneless cupolas grownups smokeless donuts kopeks toneless hotness docents roebucks pianolas boldness coldness rodents dichotomous locusts remoteness condolence proneness sarcomas refocus cacophonous holdups blowups foments snowbanks drollness components opponents quotients gladiolus weaponless sobriquets violists proponents exponents enrollments enrolments deponents elopements encroachments chiropodists cosmogonists enthronements honeylocusts postponements