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