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