Category Nuances for soft_clay:

• mobile,
• unstable,
• weak,
• plastic,
• soft,
• cohesive,
• geological,
• ductile,
• over,
• impermeable,
• unstructured,
• unsuitable,
• compressible,

Simple Categories for soft_clay:

• formation,
• subsoil,
• soil,
• sediment,
• material,
• ground,