Here's what rhymes with stifiable.
viable liable certifiable justifiable pliable verifiable notifiable deniable reliable rectifiable identifiable unreliable undeniable classifiable unjustifiable unverifiable unidentifiable Words that almost rhyme with stifiable
parietal sizable sizeable desirable advisable definable assignable likable likeable decidable risible liveable survivable excitable maniacal ascribable unlikeable unliveable undesirable indefinable ammoniacal inadvisable libidinal realizable describable undefinable analyzable recyclable climbable cognizable demoniacal indictable reconcilable recognizable indescribable irreconcilable nonassignable monomaniacal unrecognizable