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