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