Here's what rhymes with countersink.
                        
                        
                    
                                think  sink  zinc  sync  thinke  fink  link  pink  shrink  wink  stink  chink  kink  mink  rink  slink  bethink  jink  drink  brink  blink  rethink  clink  interlink  preshrink  cufflink  Words that almost rhyme with countersink
sick  thick  silk  sic  sich  hich  vhich  hick  risk  milk  disk  pick  stick  disc  kick  chick  lick  tick  nick  slick  tic  wick  dick  flick  pic  whisk  mic  rick  bisque  frisk  spic  bilk  mick  shtick  snick  spik  schtick  quick  brick  click  trick  brisk  prick  basilisk  aspic  crick  unpick  politic  buttermilk  candlestick  obelisk  nonstick  bolshevik  lunatic  bailiwick  firebrick  handpick  dropkick  videodisk  skinflick  realpolitik