Here's what rhymes with knucklin.
                        
                        
                    
                                Words that almost rhyme with knucklin
knuckling  buckling  suckling  chuckling  duckling  smuggling  truckling  unbuckling  finagling  unpin  comin  somethin  buckskin  buskin  puffin  drumlin  punkin  munchkin  pumpkin  bumpkin  dustbin  truncheon  curmudgeon  dustmen  chromatin  huntsmen  stuntmen  somatostatin