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