Impossible's rhymes with:
decibels, taxables, adjustables, audibles, cannibals, collectibles, conable's, constables, convertibles, decibels, deductibles, disposables, durables, edibles, equitable's, huxtables, imponderables, intangibles, invisibles, miserables, nondurables, notables, observables, parables, payables, perishables, portables, receivables, recyclables, salables, syllables, tangibles, taxables, untouchables, valuables, variables, vegetables, venables