1. A reciprocal group action
   - return, getting even

Type of: group action

• myoclonus epilepsy
• myodynia
• myofascial pain syndrome
• myofibril
• myofibrilla
• myoglobin
• myoglobinuria
• myogram
• myoid
• myology
• myoma
• myometritis
• myometrium
• Myomorpha
• myonecrosis
• myoneural junction
• myopathic
• myopathy
• myope
• myopia
• myopic
• myopically
• Myopus
• myosarcoma
• myosin