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