Here's what rhymes with pchment.
                        
                        
                    
                                preachment  impeachment  Words that almost rhyme with pchment
treatment  maltreatment  pretreatment  mistreatment  easement  achievement  decent  bereavement  appeasement  piquant  recent  deepest  cheapest  regent  leant  peanut  chiefest  seulement  sealant  seafront  eagerest  agreement  secret  frequent  indecent  weakest  decedent  keenest  leaflet  meanest  sicut  antient  briefest  sequenced  steepest  tliat  licit  neatest  theist  bafflement  sapient  bleakest  meekest  reshipped  sheerest  leanest  realest  beechnut  meagerest  reedit  liefest  shiest  serest  concealment  sentient  sweetest  defilement  mendicant  benignant  cleanest  fleetest  impalement  gaudiest  serenest  beguilement  puniest  sleekest  cajolement  obscenest  sliest  woodenest  convenient  disagreement  infrequent  machinist  disablement  enfeeblement  underachievement  ennoblement  enjambement  pointillist  wiliest  messiest  revilement  gamiest  regalement  chariest  fruitiest  laciest  pastiest  tangiest  mousiest  completest  insentient  orthopedist  discreetest  orthopaedist  pantomimist  paltriest  corniest  sultriest  mangiest  uncleanest  untidiest  wintriest  crispiest  scaliest  inconvenient  unhandiest  unwariest  inconvenienced  intercollegiate  unmanliest  unloveliest