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