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