Here's what rhymes with trapball.
                        
                        
                    
                                ball  tall  doll  pall  tal  pol  bawl  pawl  call  fall  vol  wall  hall  col  haul  gall  mall  mol  shawl  sol  stall  brawl  coll  drawl  trawl  loll  maul  moll  yawl  appall  bradawl  small  baseball  crawl  banal  befall  cabal  kraal  qual  sprawl  thrall  netball  racquetball  sepal  butterball  overall  protocol  install  withal  fmall  vagal  areal  fascial  squall  volleyball  fireball  scrawl  carryall  coverall  hairball  buckyball  plimsoll  recolour  alcohol  basketball  ethanol  urethral  waterfall  aerosol  forestall  overhaul  cytosol  severall  cannonball  ergosterol  enthrall  enthral  gasohol  barcarolle  keelhaul  cholesterol  cortisol  methanol  wherewithal  neanderthal  sepulchral  Words that almost rhyme with trapball
door  bar  bore  par  pour  por  jar  pore  tar  tor  tore  boar  char  chore  dar  torr  for  more  your  far  four  war  nor  car  core  shore  store  corps  star  wore  fore  sore  drawer  lore  roar  var  adore  cor  lor  mar  rapport  spore  whore  abhor  gar  har  lar  soar  spar  tsar  yore  ajar  czar  foure  gore  hoar  mor  sar  thar  wor  tzar  hoer  before  floor  score  restore  ashore  bizarre  guitar  scar  swore  vapour  afar  bazaar  decor  deplore  voir  crore  lobar  avatar  matador  snore  troubadour  dinar  sitar  tramcar  bedsore  disbar  ignore  postwar  cigar  offshore  repertoire  prewar  antiwar  avoir  implore  caviar  commodore  inshore  lvoire  pouvoir  galore  hardcore  herbivore  velar  abattoir  footsore  isobar  albacore  picador  handcar  paperboy  outscore  explore  anymore  furthermore  histoire  evermore  guarantor  registrar  underscore  commissar  dinosaur  savoir  senor  threescore  cinnabar  fourscore  furore  scimitar  seafloor  superstar  handlebar  hellebore  motorcar  stevedore  battledore  minibar  peignoir  sidecar  humidor  millibar  superstore  underfloor  tyrannosaur  brontosaur  kronur  reservoir  heretofore  seminar  twentyfour  hereinbefore  sycamore  carnivore  theretofore  nevermore  samovar  escritoire  forswore  omnivore  foreswore  forevermore  conquistador  conservatoire  insectivore  parle  marl  gnarl  snarl  unsnarl