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