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