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