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