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