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