Here's what rhymes with ommitment.
                        
                        
                    
                                fitment  commitment  Words that almost rhyme with ommitment
shipment  enrichment  equipment  abridgment  abridgement  bewitchment  reshipment  transshipment  pigment  distant  limit  minute  nearest  millet  enlistment  fittest  omniscient  pendent  demised  endearment  midget  dimmest  encystment  nymphet  visit  efficient  assistant  brilliant  inherent  witnessed  biggest  indifferent  ticket  dearest  digit  richest  insistent  picket  pivot  billet  biscuit  distanced  fiercest  rivet  bigot  flippant  grimaced  impingement  wicket  snippet  civet  gimlet  gymnast  limpet  tippet  devilment  grimmest  officiant  sickest  weirdest  divot  jennet  reenlistment  slimmest  whippet  hiccoughed  hippest  unfittest  spirit  sufficient  consistent  persistent  coherent  contingent  deficient  fulfillment  malignant  resistant  simplest  existent  fulfilment  indignant  inefficient  inhibit  intermittent  stringent  adherent  cricket  frigate  illicit  infringement  proficient  resilient  skillet  delimit  diffident  oviduct  spigot  swiftest  brisket  deliquescent  maleficent  privet  queerest  trinket  stiffest  disenchant  shrillest  slickest  trivet  austerest  briskest  giblet  coefficient  insufficient  implicit  delinquent  reminiscent  beneficent  incoherent  nonexistent  strictest  astringent  severest  triplet  sublimate  palimpsest  sincerest  outdistanced  inspirit  nonresistant  inconsistent  prohibit  equidistant  violinist  cleverest  coexistent  complicit  nonmalignant  preterit  explicit  immunodeficient