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