Here's what rhymes with immigrational.
                        
                        
                    
                                occupational  relational  rotational  locational  educational  operational  vocational  recreational  informational  vibrational  inspirational  correlational  ideational  subnational  variational  mutational  invitational  aberrational  probational  gravitational  motivational  sensational  situational  foundational  generational  gestational  navigational  translational  associational  avocational  nonvocational  computational  conversational  denominational  observational  conformational  congregational  intergenerational  coeducational  improvisational  noneducational  nonoccupational  nonoperational  organizational  organisational  confrontational  representational  transformational  interdenominational  nondenominational  nonrepresentational  Words that almost rhyme with immigrational
occasional  claimable  gradable  capable  payable  saleable  salable  breakable  trainable  bailable  available  incapable  obtainable  attainable  insatiable  traceable  changeable  unshakable  inflatable  repayable  unbreakable  unshakeable  degradable  unsaleable  assailable  erasable  irreclaimable  unsalable  reclaimable  resalable  sustainable  inescapable  unavailable  debatable  unattainable  unchangeable  explainable  irreplaceable  unassailable  unobtainable  maintainable  untraceable  mistakable  persuadable  conveyable  embraceable  nonbreakable  interchangeable  ascertainable  biodegradable  exchangeable  unsustainable  replaceable  microwavable  unmistakable  nonexchangeable  noninterchangeable