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