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