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