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