Here's what rhymes with cynth.
                        
                        
                    
                                plinth  hyacinth  labyrinth  Words that almost rhyme with cynth
since  sins  ins  fins  inns  shins  thins  things  skins  hymns  pins  sings  wins  spins  bins  evince  rinse  tins  chins  mince  wince  gins  shims  kings  prince  rings  wings  limbs  lymph  twins  swings  nymph  rims  stings  whims  flings  grins  slings  swims  hairpins  quince  dims  gyms  skims  tings  wrings  begins  brings  convince  springs  strings  clings  florins  violins  brims  trims  minims  javelins  pseudonyms  underpins  offsprings  wellsprings  fifth  filth  scythe  myth  sixth  width  pith  smith  writhed  writhe  therewith  herewith  forthwith  wherewith  monolith  silversmith