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