Here's what rhymes with underworld.
                        
                        
                    
                                world  whirled  curled  hurled  swirled  furled  twirled  unfurled  netherworld  Words that almost rhyme with underworld
whirred  word  wormed  heard  third  turned  learned  occurred  served  bird  burned  termed  affirmed  curved  herd  merged  adjourned  purged  curd  perturbed  surged  yearned  churned  curbed  furred  sherd  swerved  unearned  unperturbed  gird  nerved  purred  observed  referred  preferred  preserved  absurd  emerged  deserved  stirred  blurred  deferred  discerned  deterred  spurred  unheard  diverged  spurned  undeserved  unlearned  demurred  scourged  slurred  squirmed  unnerved  leisured  undeterred  concerned  returned  confirmed  disturbed  reserved  conferred  incurred  inferred  submerged  undisturbed  concurred  conserved  overheard  overturned  reaffirmed  converged  interred  recurred  unconcerned  unobserved  unreserved  unconfirmed  transferred  hummingbird  disinterred