Here's what rhymes with nitious.
                        
                        
                    
                                vicious  ambitious  malicious  pernicious  officious  delicious  judicious  auspicious  nutritious  seditious  avaricious  suspicious  fictitious  capricious  propitious  factitious  injudicious  adventitious  repetitious  surreptitious  superstitious  expeditious  Words that almost rhyme with nitious
dishes  fishes  misses  kisses  militias  minutes  illness  bishops  isthmus  business  limits  witness  impulse  thickness  fitness  mistress  sickness  digits  richness  tickets  citrus  fearless  viscous  grimace  litmus  pickets  thickets  bigness  billets  dimness  discus  hillocks  ingots  ingress  pittance  sinless  sinuous  distance  religious  appearance  instance  spirits  infants  visits  clearance  influx  inhibits  stiffness  stillness  admittance  bacillus  biscuits  assiduous  eyewitness  frigates  listless  meniscus  papyrus  quickness  rivets  crickets  indigence  pivots  remittance  unfitness  assistance  interests  adherence  exhibits  forgiveness  insistence  coherence  prodigious  shipments  brilliance  hindrance  pigments  archbishops  diffidence  elicits  swiftness  trinkets  cystitis  instants  irreligious  resistless  triplets  existence  resistance  coefficients  interference  assistants  commitments  persistence  adherents  prestigious  prohibits  reappearance  strictness  consistence  incoherence  disappearance  subsistence  perseverance  contingents  reminiscence  eucalyptus  transmittance  coexistence  delinquents  distinctness  infringements  nonexistence