Here's what rhymes with presumable.
assumable consumable Words that almost rhyme with presumable
suitable movable unsuitable usable moveable reducible fusible luminal dutiable doable producible usual juvenile crucible immovable irreducible renewable removable irrefutable mutable provable reusable unusable irremovable refutable unmovable unmoveable beautiful mutual unusual immutable cuticle reproducible deducible inducible attitudinal inscrutable delusional excusable disputable latitudinal improvable commutable construable disprovable longitudinal executable nonrenewable manoeuvrable institutional indisputable distributional inexcusable constitutional unconstitutional