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