Here's what rhymes with attachement.
                        
                        
                    
                                non  gnawn  don  drawn  gone  von  con  dawn  lawn  yon  hon  wan  bon  fawn  han  pawn  schon  yawn  bonne  khan  operon  sawn  sonne  vpon  brawn  prawn  tenon  faun  john  upon  baton  spawn  swan  yuan  begone  chaperon  pecan  undergone  thereon  polygon  salon  denouement  pantheon  positron  whereon  octagon  redrawn  chiffon  aileron  amazon  antiphon  hereon  predawn  tarragon  autobahn  lasagne  neocon  trimaran  upsilon  outdrawn  phenomenon  withdrawn  automaton  foregone  rapprochement  echelon  marathon  paragon  forgone  overdrawn  pentagon  epsilon  mastodon  woebegone  emoticon  methadon  thereupon  whereupon  hereupon  carillon  leprechaun  heptagon  cordovan  pantechnicon  frogspawn  lexicon  hexagon  Words that almost rhyme with attachement
mom  nom  mam  long  wrong  com  song  calm  bomb  palm  bom  homme  vom  balm  gong  rom  som  tom  dong  prom  prong  thong  pom  pong  tong  twang  bong  iamb  along  strong  belong  quam  throng  aplomb  embalm  qualm  sarong  mahjong  becalm  dingdong  prolong  cardamom  pogrom  singsong  salaam  consomme  erelong  nightlong  supermom  lifelong  intercom  yearlong  firebomb  livelong  morn  mourn  born  corn  borne  torn  worn  barn  horn  warn  yarn  thorn  shorn  darn  porn  tarn  lorn  scorn  sworn  adorn  unborn  outworn  timeworn  unworn  forlorn  reborn  firstborn  careworn  forborne  peppercorn  lowborn  stillborn  unicorn  waterborne  forewarn  lovelorn  sweetcorn  forsworn  foresworn