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