Here's what rhymes with fermenter.
                        
                        
                    
                                hunter  Words that almost rhyme with fermenter
number  wonder  thunder  asunder  sunder  lumber  plunder  blunder  bumper  plunger  jumper  cumber  slumber  outnumber  encumber  muster  mutter  another  mother  butter  molar  cutter  gutter  lustre  runner  shutter  gunner  luster  adjuster  duster  juster  muffler  putter  buster  mugger  color  cover  summer  suffer  lover  rubber  buffer  cluster  conductor  sulphur  supper  vulgar  sulfur  butler  comer  flutter  rudder  shudder  uncover  youngster  clutter  hover  paler  rougher  sucker  tougher  abductor  bluster  buzzer  duller  smother  succor  tuber  bugger  smuggler  sputter  stutter  cynosure  fucker  gazer  huckster  hussar  lugger  monger  pucker  splutter  culture  brother  younger  hunger  rupture  ocular  sculptor  bunker  drummer  tumbler  blubber  coadjutor  erasure  plumber  vulture  crusher  filibuster  plover  scrubber  structure  recover  instructor  juncture  puncture  constructor  ligature  midsummer  chronometer  premolar  embrasure  pentameter  pustular  discover  sculpture  semiconductor  conjuncture  undercover  watercolor  superconductor  tricolor  restructure  aquaculture  agriculture  superstructure  horticulture  counterculture  rediscover  substructure  cartographer  infrastructure  acupuncture