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