Here's what rhymes with ctional.
                        
                        
                    
                                Words that almost rhyme with ctional
optional  cardinal  nominal  audible  arsenal  oracle  carbonyl  ordinal  torsional  washable  coracle  karakul  article  marginal  cortical  horrible  orbital  topical  volatile  carnival  conjugal  follicle  laudable  nautical  corpuscle  fontanel  monocle  chlorophyl  lockable  watchable  possible  probable  abdominal  particle  soluble  obstacle  canonical  doctrinal  phenomenal  portable  constable  forcible  orthogonal  adorable  chargeable  farcical  inaudible  voluble  barnacle  solvable  fordable  axolotl  equatable  proportional  plausible  affordable  allegorical  methodical  apocryphal  pronominal  tetragonal  exhaustible  tortoiseshell  adoptable  impossible  remarkable  hierarchical  anatomical  improbable  insoluble  deplorable  enforceable  oratorical  aeronautical  exportable  nonvolatile  oligarchical  resolvable  supportable  unsolvable  unstoppable  purchasable  rechargeable  submarginal  importable  suborbital  insolvable  rhapsodical  gemmological  revolvable  gemological  enlargeable  responsible  inexhaustible  cosmological  implausible  cytological  scatological  nonchargeable  irresponsible  etymological  insupportable  unenforceable  unremarkable  antiparticle  disproportional  seismological  nonenforceable  transportable  entomological  anthropological  gerontological  phantasmagorical  epistemological