Category Nuances for soft_clay:

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

Simple Categories for soft_clay:

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