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