disqualification (n.)

• disability
• disablement
• imbecility
• improvisation
• inability
• inadequacy
• incapability
• incapacity
• incompetence
• incompetency
• inefficiency
• ineptitude
• infancy
• inferiority
• insufficiency
• minority
• unfitness
• unsuitability
• unsuitableness
• vulnerability
• wardship