Here's what rhymes with semiillegal.
                        
                        
                    
                                legal  illegal  regal  beagle  seagull  nonlegal  inveigle  paralegal  extralegal  Words that almost rhyme with semiillegal
fecal  siecle  decal  canticle  renal  lethal  riyal  resole  people  needle  feeble  fetal  penal  beetle  diesel  phenyl  thiol  venal  weasel  weevil  beadle  gleeful  phial  wheal  wheedle  teasel  teazel  respell  medieval  peaceful  retrieval  adrenal  genial  needful  sequel  authorial  feveral  labial  steeple  varietal  enfeeble  laypeople  heedful  nonlethal  unequal  primeval  upheaval  lacrimal  pineal  inositol  notarial  coequal  cathedral  duodenal  centripetal  deceitful  estradiol  requital  bilabial  gonorrheal  congenial  polyhedral  octahedral  tetrahedral  uncongenial