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