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