Modifiers matching catastrophe:

• major,
• horrible,
• infrequent,
• natural,
• world,
• european,
• dramatic,
• external,
• environmental,
• sudden,
• significant,
• widespread,
• localized,
• specified,
• terrible,
• cosmic,
• astronomical,
• real,
• humanitarian,
• climatic,
• unexpected,
• mental,
• small,
• single,
• geophysical,
• big,
• possible,
• local,
• extreme,
• massive,
• future,
• regional,
• physical,
• individual,
• worldwide,
• related,
• large,
• social,
• political,
• violent,
• temporary,
• economic,
• weather,
• national,
• global,
• ecological,
• unnatural,
• unforeseeable,
• extraordinary,
• periodic,
• random,
• unforeseen,
• wide,
• nuclear,
• powerful,
• devastating,
• unpredictable,
• recent,
• underlying,
• domestic,
• predictable,
• unavoidable,
• smaller,
• bad,
• biblical,
• past,

Simple categories matching humanitarian:

• operation,
• assistance,
• aid,
• crisis,
• organization,
• catastrophe,
• group,
• activity,
• item,
• organisation,
• works,
• institution,
• facility,
• equipment,
• disaster,
• intervention,
• situation,
• committee,
• operations,
• service,
• commodity,
• project,
• cause,
• work,
• agency,
• study,
• occupation,
• education,
• help,
• faculty,
• supply,
• nature,
• body,
• effort,
• entity,
• endeavor,
• field,
• product,
• mission,
• issue,
• law,