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