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