Here's what rhymes with oxycarboxin.
                        
                        
                    
                                dioxin  Words that almost rhyme with oxycarboxin
boxing  bodkin  poplin  topspin  coffin  login  goblin  maudlin  tarpaulin  corpsmen  gamin  noggin  yachtsmen  sharkskin  begotten  sportsmen  bondsmen  florin  palanquin  strongmen  endorphin  guardsmen  longshoremen  hobgoblin  frogmen