Here's what rhymes with felk.
                        
                        
                    
                                elk  lc  whelk  yarmelke  Words that almost rhyme with felk
sec  shek  ec  ek  haec  heck  check  neck  deck  desk  wreck  cheque  tech  msec  nec  peck  spec  speck  beck  dec  rec  fleck  lech  trek  exec  hatcheck  burlesque  recheck  bedeck  kopeck  grotesque  arabesque  statuesque  spellcheck  discotheque  bottleneck  turtleneck  quarterdeck