Here's what rhymes with castlf.
                        
                        
                    
                                Words that almost rhyme with castlf
calf  gaff  gaffe  half  laugh  graph  chaff  quaff  staff  giraffe  carafe  behalf  digraph  epitaph  autograph  epigraph  paragraph  photograph  telegraph  monograph  phonograph  lithograph  holograph  polygraph  ideograph  mimeograph  seismograph  choreograph  chronograph  pictograph