Here's what rhymes with bygyn.
                        
                        
                    
                                been  tin  chin  pin  bin  din  gin  jinn  djinn  sin  thin  win  min  kin  spin  twin  fin  lin  syn  yin  cine  hin  kine  shin  vin  begin  skin  akin  grin  sayin  tryin  quin  pinyin  shebeen  within  therein  wherein  herein  violin  porcine  underpin  bearskin  condign  chagrin  journeymen  bogeymen  boogeymen  mandolin  Words that almost rhyme with bygyn
dim  gym  ping  ting  tyme  ching  ding  him  bring  thing  king  ring  sing  wing  limb  rim  hymn  trim  brim  meme  sting  whim  ling  ning  wring  ming  prim  sim  vim  bling  shim  limn  zing  spring  string  grim  swim  swing  cling  slim  fling  sling  skim  mewling  sporing  gawping  rousting  sousing  moussing  upswing  scrim  prelim  queering  scything  texting  anything  pseudonym  kibbutzim  antonym  dybbukim  everything  synonym  quicklime  huzzahing  kiln  villein