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