Here's what rhymes with réactionnaire.
                        
                        
                    
                                mare  mer  mehr  mair  their  there  where  care  aware  bear  fair  hair  share  chair  pair  rare  wear  affair  bare  dare  fare  tear  unfair  faire  hare  ware  pear  snare  guerre  lair  affaire  cher  fere  pare  sehr  thair  funfair  square  prayer  compare  spare  swear  unaware  glare  stare  flare  impair  scare  stair  earthenware  flair  blare  midair  overbear  ironware  ovenware  anywhere  repair  questionnaire  beware  forbear  underwear  thoroughfare  doctrinaire  aftercare  bugbear  curare  debonair  ensnare  solitaire  repairer  commissionaire  kitchenware  outerwear  spyware  tinware  coheir  legionnaire  debonaire  backstair  everywhere  prepare  declare  despair  millionaire  silverware  horsehair  billionaire  concessionaire  forswear  medicare  parterre  chinaware  dinnerware  millionnaire  beachwear  broodmare  wirehair  disrepair  tableware  foursquare  maidenhair  eldercare  foreswear  camelhair  setsquare  extraordinaire  multimillionaire  Words that almost rhyme with réactionnaire
nel  knell  nell  well  cell  tell  fell  del  sell  bell  hell  shell  smell  gel  tel  dell  delle  yell  belle  celle  unwell  weal  bel  sel  telle  jell  morel  noel  personnel  hotel  compel  dwell  spell  swell  gaol  motel  nouvelle  quell  gazelle  impel  lapel  quel  nacelle  novelle  oversell  farewell  citadel  clientele  excel  expel  repel  befell  cartel  foretell  propel  pastel  carousel  decibel  fontanelle  organelle  photocell  resell  retell  caravel  commonweal  undersell  carrousel  outsell  parallel  dispel  infidel  bagatelle  misspell  zinfandel  mademoiselle  materiel  antipersonnel  muscatel  nonparallel  tagliatelle  therefor