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