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