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