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