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