Believable rhymes with:
unbelievable, unbelievable, unbelievable, achievable, conceivable, inconceivable, receivable, unbelievable, achievable, approvable, conceivable, drivable, forgivable, immovable, inconceivable, livable, lovable, microwavable, movable, observable, provable, receivable, removable, solvable, survivable, unbelievable, unforgivable, unlivable, unsolvable
Believable sounds like:
baleful, belefiville, bellefeuille, belleville, bellville, belveal, belville, billable, bluebell