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