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