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