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