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