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