Category Nuances for sinking:

• marine,
• logical,
• catastrophic,
• major,
• passive,
• emergent,
• unusual,
• observable,
• historic,
• particular,
• significant,
• undesirable,
• maritime,

Simple Categories for sinking:

• movement,
• change,
• situation,
• activity,
• accident,
• event,
• attribute,
• casualty,
• failure,