Valable rhymes with:
fallible, infallible, appealable, available, billable, callable, consolable, controllable, fallible, gullible, incalculable, infallible, inhalable, inviolable, irreconcilable, noncallable, recyclable, resealable, salable, saleable, syllable, unassailable, unavailable, uncontrollable, unsalable, unsaleable, violable
Valable sounds like:
valuable, violable, volleyball, voluble