Here's what rhymes with withersoever.
                        
                        
                    
                                soever  never  however  forever  whoever  lever  sever  whosoever  howsoever  clever  whomever  whomsoever  whensoever  whatever  whenever  wherever  endeavor  endeavour  whatsoever  whichever  wheresoever  Words that almost rhyme with withersoever
whether  measure  weather  leather  leisure  lesser  feather  heather  lessor  fresher  nether  tether  thresher  zephyr  guesser  pressure  pleasure  successor  treasure  aggressor  assessor  dresser  oppressor  suppressor  presser  together  possessor  confessor  refresher  professor  displeasure  compressor  depressor  intercessor  acupressure  altogether  predecessor  transgressor  countermeasure  better  letter  terror  pepper  seller  bearer  cellar  debtor  metre  tenor  beggar  header  ledger  stellar  sweater  teller  fairer  feller  leper  rarer  wearer  checker  fetter  redder  setter  wetter  carer  sharer  bettor  cheddar  speller  stepper  wrecker  deader  lecher  shredder  swearer  center  member  centre  gender  sector  gesture  lecture  render  shelter  surrender  temper  tender  vector  venture  slender  tenure  censure  helper  sensor  vendor  censor  lender  rector  sender  tremor  ureter  denser  denture  dweller  nectar  sceptre  specter  spectre  stretcher  tester  fender  jester  peddler  scepter  smelter  welter  censer  fester  herder  metier  pedlar  pester  renter  scarcer  spreader  welder  abettor  bender  dredger  fencer  spender  vender  vesper  welcher  heckler  meddler  director  adventure  texture  offender  semester  splendor  cerebellar  elector  gentler  impeller  interstellar  selector  avenger  blender  objector  tempter  ejector  begetter  cleanser  erector  trencher  remember  receptor  collector  condenser  conjecture  detector  inspector  inventor  investor  connector  defender  propeller  distemper  engender  indenture  reflector  assembler  contender  debenture  dispenser  injector  millimetre  bestseller  blasphemer  dissenter  epicenter  misadventure  provender  respecter  sequester  bisector  declarer  defector  deflector  dismember  dissector  epicentre  intenser  nonmember  protector  trimester  polyester  preceptor  projector  storyteller  centimetre  peradventure  pretender  interceptor  architecture  transgender  carburettor  experimenter  multiplexer