Here's what rhymes with incredibilis.
                        
                        
                    
                                bacillus  villus  Words that almost rhyme with incredibilis
papyrus  villas  cirrus  guerrillas  gorillas  guerillas  billets  repetitious  business  bishops  ambitious  vicious  digits  judicious  pernicious  prodigious  stillness  tickets  auspicious  fearless  pickets  propitious  bigness  dimness  discus  hillocks  officious  pittance  pivots  sinless  beardless  bigots  pickups  witless  distance  appearance  minutes  limits  witness  thickness  visits  fitness  sickness  suspicious  delicious  malicious  richness  stiffness  admittance  biscuits  brilliance  capricious  citrus  viscous  assiduous  grimace  listless  litmus  rivets  seditious  thickets  expeditious  factitious  injudicious  sinuous  triplets  litigious  nimbus  riddance  wickets  windlass  windless  wingless  religious  assistance  spirits  adherence  forgiveness  mistress  persistence  fictitious  superstitious  pigments  prestigious  diffidence  elicits  eyewitness  frigates  nutritious  quickness  reminiscence  trinkets  avaricious  crickets  cystitis  indigence  irreligious  resistless  surreptitious  unfitness  hibiscus  mastitis  profitless  snippets  solicits  unambitious  unpropitious  interference  assistants  clearance  disappearance  exhibits  subsistence  adherents  inhibits  shipments  hindrance  prohibits  adventitious  archbishops  meniscus  reappearance  strictness  swiftness  eucalyptus  remittance  agribusiness  existence  resistance  coefficients  commitments  insistence  coherence  perseverance  contingents  distinctness  consistence  transmittance  endearments  delinquents  noninterference  nonreligious  coexistence  incoherence  nonexistence  infringements