Here's what rhymes with obtrusion.
                        
                        
                    
                                fusion  illusion  allusion  delusion  diffusion  intrusion  occlusion  perfusion  collusion  effusion  protrusion  conclusion  confusion  inclusion  infusion  profusion  seclusion  extrusion  disillusion  suffusion  preclusion  exclusion  contusion  reperfusion  malocclusion  transfusion  Words that almost rhyme with obtrusion
proven  loosen  pollution  dilution  elution  mucin  unproven  ablution  solution  gruesome  twosome  unloosen  evolution  dissolution  attribution  absolution  devolution  locution  antipollution  resolution  revolution  persecution  substitution  diminution  retribution  destitution  elocution  involution  lilliputian  distribution  contribution  execution  institution  prosecution  prostitution  restitution  convolution  irresolution  constitution  redistribution  circumlocution  electrocution  reconstitution  counterrevolution  ruin  lumen  rumen  lupin  human  union  albumin  gluten  illumine  neuen  cumin  crewman  newton  reunion  acumen  bitumen  subhuman  soupcon  inhuman  disunion  nonhuman  groomsmen  communion  superhuman  nonunion