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