Here's what rhymes with campaign.
                        
                        
                    
                                contain  pain  chain  pane  bane  tain  deign  main  brain  gain  obtain  plain  plane  rain  reign  train  attain  ln  vain  vein  cane  complain  drain  stain  champagne  lane  sane  terrain  fain  lain  mundane  rein  mane  twain  vane  wane  feign  moraine  urbane  arraign  thane  wain  murrain  maintain  domain  grain  strain  retain  sustain  ascertain  insane  slain  abstain  constrain  crane  detain  pertain  ordain  arcane  certaine  germane  inane  skein  appertain  sprain  swain  remain  entertain  cocaine  disdain  profane  regain  butane  romaine  retrain  chicane  ingrain  reattain  explain  refrain  humane  restrain  aeroplane  hurricane  sugarcane  halothane  humaine  overlain  monoplane  urethane  coxswain  windowpane  cellophane  inhumane  wholegrain  demimondaine  preordain  legerdemain  hydroplane  foreordain  reexplain  polyurethane  Words that almost rhyme with campaign
tame  dame  same  came  name  game  blame  fame  shame  lame  maim  became  claim  frame  flame  acclaim  aflame  defame  inflame  rename  declaim  aspartame  ballgame  forename  proclaim  exclaim  overcame  reclaim  disclaim  counterclaim  quitclaim  filename  selfsame