Here's what rhymes with certaiin.
                        
                        
                    
                                Words that almost rhyme with certaiin
paying  baying  saying  playing  laying  praying  staying  weighing  surveying  obeying  preying  braying  haying  neighing  decaying  delaying  spraying  swaying  slaying  repaying  straying  allaying  assaying  buffeting  graying  betraying  disobeying  defraying  conveying  displaying  portraying  raisin  statesmen  salesmen  riboflavin