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