Here's what rhymes with urethal.
                        
                        
                    
                                Words that almost rhyme with urethal
urinal  terminal  cervical  versatile  workable  germinal  virginal  burnable  circuital  reversible  vertebral  worshipful  returnable  turnbuckle  revertible  discernible  impersonal  irreversible  observable  purposeful  unworkable  unsearchable  conferrable  convertible  transferable  interpersonal  indiscernible  nonreturnable  intervertebral  nonconvertible  nontransferable