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