Here's what rhymes with certeinte.
                        
                        
                    
                                pint  Words that almost rhyme with certeinte
bind  dined  find  kind  mind  wind  blind  signed  lined  hind  fined  mined  timed  rind  chimed  opined  shined  twined  whined  behind  defined  designed  assigned  refined  remind  resigned  aligned  grind  divined  primed  rhymed  combined  declined  climbed  unkind  entwined  redefined  unsigned  maligned  reclined  redesigned  confined  mankind  inclined  undermined  consigned  undefined  underlined  enshrined  undersigned  humankind  intertwined  disinclined  tight  bite  typed  byte  iced  piped  diced  might  right  light  night  white  fight  sight  site  write  bright  flight  height  liked  slight  spite  knight  cite  fright  plight  priced  rite  wiped  blight  didst  sliced  kite  lite  mite  spiked  trite  hiked  sleight  spiced  quite  delight  whilst  polite  tonight  upright  outright  recite  rewrite  striped  sufficed  alight  alright  enticed  erudite  smite  spliced  sprite  vilest  despite  appetite  excite  favourite  invite  satellite  disliked  overnight  oversight  forthright  ignite  incite  nitrite  apatite  firelight  hematite  reunite  copyright  sacrificed  parasite  stereotyped  anthracite  dolomite  dynamite  expedite  leukocyte  nonwhite  plebiscite  contrite  neophyte  recondite  underwrite  watertight  lymphocyte  magnetite  hermaphrodite  meteorite  electrolyte  metabolite  candlelight