Here's what rhymes with tranquilizing.
                        
                        
                    
                                rising  arising  uprising  sizing  equalizing  apprising  prising  prizing  tranquillizing  surprising  analyzing  advising  analysing  revising  ionizing  mobilizing  authorising  moralizing  catalyzing  paralysing  summarising  catalysing  idolizing  comprising  exercising  utilizing  authorizing  devising  maximizing  minimizing  oxidizing  theorizing  civilizing  colonizing  modernizing  neutralizing  socializing  summarizing  baptizing  energizing  fertilizing  localizing  magnetizing  normalizing  paralyzing  polarizing  rationalizing  tantalizing  visualizing  actualizing  chastising  dramatizing  globalizing  legalizing  terrorizing  theorising  atomizing  capsizing  exorcising  finalizing  immobilizing  initializing  magnetising  naturalizing  penalizing  pulverizing  verbalizing  vitalizing  vocalizing  amortizing  anodizing  catechizing  dramatising  itemizing  mechanizing  memorising  radicalizing  tyrannizing  urbanizing  womanizing  advertising  organizing  emphasizing  compromising  enterprising  practising  stabilizing  supervising  generalizing  merchandising  optimizing  specializing  symbolizing  apologizing  capitalizing  categorizing  centralizing  crystallizing  demoralizing  despising  disguising  jeopardizing  liberalizing  memorizing  sterilizing  synchronizing  antagonizing  appetizing  customizing  digitizing  economizing  evangelizing  fantasizing  formalizing  galvanizing  immunizing  improvising  internalizing  metabolizing  monopolizing  nationalizing  proselytizing  publicizing  revitalizing  unsurprising  aggrandizing  brutalizing  eulogizing  feminizing  hydrolyzing  mesmerizing  personalizing  proselytising  satirizing  secularizing  sermonizing  vaporizing  anesthetizing  appetising  baptising  carbonizing  categorising  commercializing  criminalizing  demonizing  empathizing  merchandizing  moisturizing  mythologizing  plagiarizing  polarising  pressurizing  regularizing  sanitizing  scandalizing  solemnizing  televising  traumatizing  trivializing  unappetizing  unionizing  vulcanizing  recognizing  criticizing  patronizing  synthesizing  destabilizing  harmonizing  legitimizing  reorganizing  scrutinizing  sensitizing  standardizing  subsidizing  sympathizing  decentralizing  democratizing  depolarizing  externalizing  homogenizing  humanizing  popularizing  prioritizing  stigmatizing  temporizing  demagnetizing  familiarizing  fraternizing  hybridizing  marginalizing  materializing  politicizing  privatizing  romanticizing  depersonalizing  epitomizing  hypnotizing  memorializing  particularizing  pasteurizing  polymerizing  popularising  propagandizing  sensitising  stigmatising  temporising  unenterprising  characterizing  conceptualizing  philosophizing  dehumanizing  contextualizing  disorganizing  hypothesizing  desensitizing  editorializing  metastasizing  prioritising  professionalizing  industrializing  individualizing  revolutionizing  systematizing  intellectualizing  internationalizing  overemphasizing  sentimentalizing  Words that almost rhyme with tranquilizing
writhing  driving  arriving  pricing  diving  thriving  slicing  tithing  dicing  knifing  striving  surviving  deriving  reviving  splicing  conniving  depriving  enticing  contriving  sacrificing  apprenticing  streptomycin  writing  lying  riding  lighting  lining  liking  rhyming  alighting  aligning  righting  liming  trying  dying  fighting  applying  buying  crying  firing  flying  mining  climbing  dining  drying  filing  guiding  hiding  lightning  shining  sliding  timing  abiding  assigning  biting  citing  hiring  signing  typing  frying  gliding  obliging  piling  piping  tying  wiping  wiring  dyeing  hiking  plying  priming  prying  siding  sighing  sighting  tiring  whining  bribing  colliding  pining  siting  vying  biding  biking  blighting  chiding  fining  griping  rifling  slighting  whiting  shying  viking  eliding  knighting  maligning  priding  retyping  seining  tiding  wining  finding  binding  striking  underlying  smiling  acquiring  deciding  supplying  winding  admiring  grinding  refining  relying  residing  retiring  trifling  uniting  ageing  aspiring  blinding  overlying  overriding  reciting  ascribing  resigning  rewriting  spying  striding  underwriting  undying  untiring  delighting  divining  minding  styling  twining  underlining  hireling  repining  sniping  spiking  belying  deriding  overwriting  bridling  opining  providing  defining  exciting  combining  declining  denying  designing  dividing  occupying  implying  inviting  modifying  presiding  reminding  confining  qualifying  replying  undermining  coinciding  compiling  complying  confiding  defying  edifying  inciting  inclining  magnifying  reclining  stifling  amplifying  beguiling  disliking  igniting  notifying  perspiring  sanctifying  subsiding  transcribing  decrying  nullifying  reuniting  unsmiling  unwinding  codifying  enshrining  exiling  indicting  liquefying  ossifying  ramifying  describing  gratifying  inspiring  multiplying  terrifying  clarifying  classifying  prescribing  signifying  unifying  conspiring  expiring  horrifying  subscribing  verifying  certifying  fancying  glorifying  prophesying  ratifying  rectifying  redefining  expediting  inscribing  mystifying  pacifying  redesigning  uninviting  calcifying  crucifying  fructifying  proscribing  typifying  unedifying  unexciting  vilifying  specifying  justifying  reconciling  purifying  simplifying  testifying  fortifying  mortifying  quantifying  beautifying  emulsifying  falsifying  intertwining  solidifying  stultifying  stupefying  subdividing  uninspiring  vivifying  acidifying  nonbinding  personifying  putrefying  recombining  identifying  satisfying  intensifying  stereotyping  diversifying  circumscribing  disqualifying  electrifying  objectifying  exemplifying  unsatisfying  indemnifying  oversimplifying