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