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