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