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