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