Modifiers matching accident:

• conventional,
• serious,
• dangerous,
• preventable,
• violent,
• dramatic,
• operational,
• terrible,
• previous,
• major,
• marine,
• industrial,
• genetic,
• everyday,
• secondary,
• external,
• physical,
• agricultural,
• medical,
• sudden,
• personal,
• traumatic,
• unexpected,
• bad,
• neurologic,
• catastrophic,
• interior,
• future,
• unfortunate,
• natural,
• small,
• unusual,
• minor,
• uncommon,
• vehicular,
• supporting,
• harsh,
• hazardous,
• vascular,
• cerebral,
• fatal,
• tragic,
• random,
• unforeseen,
• electrical,
• historical,
• single,
• possible,
• massive,
• severe,
• military,
• electric,
• nuclear,
• lethal,
• maritime,
• cerebrovascular,
• disastrous,
• related,
• mechanical,
• common,
• internal,
• simple,
• isolated,
• working,
• shocking,
• significant,
• big,
• technological,
• civil,
• unpredictable,
• unintentional,

Simple categories matching sudden:

• event,
• change,
• sound,
• pressure,
• episode,
• condition,
• disorder,
• impact,
• action,
• infection,
• threat,
• noise,
• shock,
• emotion,
• death,
• situation,
• disaster,
• setback,
• movement,
• incident,
• accident,
• light,
• motivation,
• misfortune,
• occurrence,
• pain,
• collapse,
• tragedy,
• shift,
• weather,
• move,
• feeling,
• emergency,
• motion,
• process,
• disturbance,
• attack,
• calamity,
• reversal,
• injury,
• problem,
• mishap,
• bang,
• transformation,
• failure,
• cause,
• trauma,
• discharge,
• epidemic,
• catastrophe,
• symptom,
• development,
• turbulence,
• force,
• phenomenon,
• experience,
• illness,