Here's what rhymes with pernitiosus.
                        
                        
                    
                                cirrhosis  ptosis  necrosis  psychosis  apotheosis  meiosis  fibrosis  sclerosis  acidosis  apoptosis  hypnosis  neurosis  cyanosis  mitosis  scoliosis  halitosis  diagnosis  prognosis  thrombosis  arteriosus  symbiosis  phagocytosis  amyloidosis  aponeurosis  leukocytosis  sarcoidosis  erythematosus  hydronephrosis  mononucleosis  metempsychosis  misdiagnosis  psychoneurosis  arteriosclerosis  Words that almost rhyme with pernitiosus
doses  ferocious  poses  atrocious  sofas  novas  noshes  moshes  samosas  cosmoses  imposes  precocious  mimosas  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  condolence  cacophonous  gladiolus  weaponless  sobriquets  components  exponents  dichotomous  quotients  deponents  elopements  honeylocusts  proponents  enrollments  enrolments  enthronements  encroachments  postponements  chiropodists  cosmogonists