Here's what rhymes with exiensional.
                        
                        
                    
                                attentional  extensional  conventional  dimensional  intentional  threedimensional  twodimensional  unconventional  unintentional  multidimensional  Words that almost rhyme with exiensional
sectional  sentinel  genital  retinal  sensual  directional  seminal  correctional  tenable  tentacle  extendable  recessional  spendable  pentacle  bendable  medical  chemical  terrible  sensible  exceptional  festival  marital  spectacle  vegetable  amenable  parable  plentiful  skeletal  skeptical  commendable  confessional  sceptical  segmental  legible  bearable  expendable  inflectional  obsessional  testable  concessional  wearable  amendable  conceptional  convectional  inflexional  perceptional  weldable  complexional  quenchable  professional  cerebral  flexible  clerical  congenital  intestinal  susceptible  congressional  credible  textual  dependable  lamentable  pedestal  untenable  illegible  ineffable  ostensible  bidirectional  chimerical  execrable  extensible  inedible  processional  collectible  correctable  breathable  collectable  recommendable  stretchable  comestible  connectable  electable  spreadable  connectible  acceptable  accessible  numerical  perceptual  respectable  homosexual  perceptible  detectable  insensible  receptacle  unbearable  defensible  detestable  impeccable  polemical  premarital  trigeminal  alchemical  delectable  digestible  expressible  geochemical  presentable  preventable  psychosexual  unquenchable  urogenital  contestable  dispensable  repairable  suggestible  unexceptional  forgettable  perfectible  premedical  preventible  suppressible  detectible  unwearable  hypothetical  incredible  indispensable  biochemical  heterosexual  inaccessible  contemptible  inflexible  impregnable  inexpressible  regrettable  unforgettable  unidirectional  compressible  extramarital  indigestible  photochemical  unprofessional  prophetical  impressible  insusceptible  paramedical  semiprofessional  undependable  subprofessional  unacceptable  comprehensible  irrepressible  reprehensible  histochemical  incontestable  indefensible  intertextual  physicochemical  undetectable  anticlerical  nonprofessional  paraprofessional  unpreventable  nonclerical  nonnumerical  noncollectable  gastrointestinal  incompressible  intracerebral  alphanumerical  musculoskeletal  immunohistochemical