Here's what rhymes with enlightennent.
                        
                        
                    
                                tenant  pennant  lieutenant  Words that almost rhyme with enlightennent
clement  inclement  parent  peasant  pendant  penchant  tenet  present  apparent  pleasant  pregnant  attendant  dentist  remnant  senate  appellant  chestnut  parrot  aberrant  menaced  pellet  pheasant  repellent  terraced  barest  repentant  trenchant  beret  densest  rennet  cellist  regnant  repellant  dependent  defendant  merit  segment  descendant  sentenced  crescent  tempest  ascendant  despot  legate  merest  rarest  dependant  ferret  iridescent  prefaced  propellant  pubescent  carat  descendent  unrepentant  zealot  wettest  ascendent  inerrant  karat  helot  propellent  shellacked  developed  credit  independent  assessment  amendment  breakfast  adolescent  embarrassed  impairment  resentment  unpleasant  fluorescent  helmet  incessant  temperate  template  velvet  apprenticed  premised  quiescent  resplendent  retrenchment  catgut  depressant  haircut  barefaced  demerit  freshest  opalescent  senescent  sextant  vestment  intensest  librettist  revetment  stepparent  amercement  godparent  putrescent  suppressant  directest  efflorescent  florescent  unapparent  commencement  transparent  inherit  transcendent  contentment  enveloped  expectant  refreshment  evanescent  incandescent  omnipresent  presentment  reassessment  entrenchment  acquiescent  contestant  effervescent  luminescent  obsolescent  accredit  cruellest  divestment  intrenchment  redeveloped  unembarrassed  coalescent  codependent  enmeshment  prepubescent  scarcest  perfectest  investment  discredit  interdependent  undeveloped  convalescent  phosphorescent  biochemist  decongestant  guillemot  noncredit  overdependent  recommencement  superintendent  underdeveloped  antidepressant  disinfectant  reinvestment  disinherit  semitransparent  nontransparent  disinvestment  discontentment  overdeveloped