Here's what rhymes with superficial.
                        
                        
                    
                                official  initial  artificial  beneficial  judicial  unofficial  interstitial  sacrificial  prejudicial  nonofficial  semiofficial  nonjudicial  extrajudicial  nonprejudicial  Words that almost rhyme with superficial
civil  thistle  fissile  sisal  sizzle  fizzle  missile  whistle  chisel  swivel  missal  shrivel  uncivil  riffle  sniffle  piffle  frizzle  skiffle  dismissal  epistle  bristle  drizzle  drivel  gristle  bellyful  grizzle  gingival  antimissile  fiddle  sickle  fickle  vigil  virile  chiral  sibyl  little  middle  simple  single  signal  symbol  fiscal  provincial  fearful  nickel  sinful  nipple  riddle  ripple  fitful  shingle  wishful  giggle  nibble  pickle  thimble  tickle  tittle  cymbal  spittle  wiggle  wriggle  diddle  hymnal  stipple  tipple  whittle  chicle  jiggle  dibble  kibble  skittle  niggle  piddle  cheerful  distal  brittle  dismal  pistol  spindle  triple  mingle  pixel  skillful  wilful  acquittal  cripple  kindle  nimble  pedicle  tearful  trickle  willful  abysmal  belittle  committal  jingle  lintel  quibble  scribble  swindle  tingle  tinkle  tinsel  wrinkle  dimple  dribble  griddle  pistil  fistful  pimple  prickle  dingle  twiddle  wimple  miscall  schnitzel  squiggle  winkle  dirndl  skinful  basinful  crystal  familial  lingual  baptismal  sprinkle  twinkle  wistful  dwindle  liminal  transmittal  brimful  periwinkle  brindle  commingle  crinkle  mistral  timbrel  unskillful  vendible  megacycle  oversimple  surcingle  brimfull  bilingual  ventricle  participle  blissful  minstrel  paroxysmal  sublingual  intermingle  rekindle  pumpernickel  noncommittal  cataclysmal  monolingual  multilingual