Category Nuances matching instability:

• dynamic,
• internal,
• political,
• macroscopic,
• persistent,
• secondary,
• dynamical,

Members for simple category instability:

• family_instability,
• major_disruption,
• riot,
• flutter,
• hydrodynamic_instability,
• taylor_instability,
• rioting,
• ballooning_instability,
• civil_strife,
• elliptical_instability,
• bar_instability,