Here's what rhymes with ostentantem.
                        
                        
                    
                                Words that almost rhyme with ostentantem
daunting  taunting  jaunting  wanting  bonding  haunting  canting  vaunting  launching  flaunting  chomping  romping  stomping  twanging  responding  absconding  swamping  corresponding  forelimb  seraphim