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