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