Modifiers matching risk:

• political,
• extraordinary,
• independent,
• financial,
• societal,
• unforeseeable,
• commercial,
• sovereign,
• special,
• new,
• internal,
• demographic,
• catastrophic,
• external,
• extreme,
• complex,
• personal,
• operational,
• serious,
• unpredictable,
• economic,
• social,
• real,
• tangible,
• imminent,
• specified,
• individual,
• administrative,
• changing,
• unique,
• related,
• traditional,
• geopolitical,
• physical,
• diverse,
• neutral,
• acute,
• major,
• critical,

Simple categories matching unpredictable:

• circumstances,
• noise,
• contingency,
• situation,
• event,
• process,
• occurrence,
• domain,
• shock,
• disturbance,
• force,
• risk,
• storm,
• accident,
• system,
• illness,
• disruption,
• behaviour,
• upheaval,
• current,
• condition,
• phenomenon,
• disease,
• disorder,
• elements,
• action,
• change,
• disaster,
• incident,
• weather,
• signal,
• danger,
• thing,
• episode,
• cause,
• sound,
• motion,
• break,
• misfortune,
• problem,
• hazard,
• object,
• catastrophe,
• blessing,
• fluctuation,