Here's what rhymes with ferned.
                        
                        
                    
                                earned  turned  learned  burned  spurned  yearned  churned  discerned  adjourned  unearned  concerned  returned  overturned  unlearned  unconcerned  Words that almost rhyme with ferned
termed  affirmed  burnt  learnt  squirmed  confirmed  reaffirmed  unconfirmed  heard  third  served  urged  herd  hurled  surged  furred  sherd  furled  world  word  bird  curved  stirred  curled  merged  purged  spurred  whirled  curd  curbed  scourged  slurred  swerved  swirled  gird  leisured  nerved  purred  observed  occurred  referred  absurd  emerged  reserved  deserved  inferred  blurred  deferred  unheard  diverged  unfurled  twirled  preferred  preserved  disturbed  conferred  incurred  submerged  conserved  deterred  overheard  converged  interred  perturbed  recurred  demurred  unnerved  concurred  undeserved  unobserved  unreserved  transferred  undisturbed  underworld  unperturbed  disinterred  hummingbird  undeterred