Modifiers matching ground:

• neutral,
• old,
• soft,
• up,
• clear,
• hard,
• over,
• disturbed,
• holy,
• irregular,
• high,
• rough,
• paved,
• white,
• safe,
• flat,
• convenient,
• common,
• uncultivated,
• shiny,
• waterlogged,
• woven,
• bad,
• loose,
• barren,
• weak,
• grown,
• sensitive,
• open,
• working,
• hazardous,
• low,
• unsecured,
• dry,
• level,
• harder,
• permeable,
• firm,
• particular,
• artificial,
• metal,
• wet,
• sandy,
• coarse,
• porous,
• conductive,
• good,
• metallic,
• vertical,
• routine,
• unstable,
• familiar,
• elevated,
• rocky,
• undisturbed,
• mechanical,
• higher,
• dangerous,
• slippery,
• sized,
• new,
• uneven,
• electrical,
• technical,
• stable,
• heavy,
• private,
• difficult,
• softer,
• moist,
• under,
• natural,
• clean,
• off,
• durable,
• sacred,
• rigid,

Simple categories matching durable:

• property,
• equipment,
• resource,
• gem,
• material,
• hardware,
• wood,
• thread,
• item,
• means,
• fabric,
• possession,
• abrasive,
• cloth,
• tissue,
• stone,
• waste,
• metal,
• car,
• ground,
• garment,
• alloy,
• merchandise,
• fiber,
• hardwood,
• book,
• heartwood,
• appliance,
• polyester,
• enclosure,
• object,
• flooring,
• aggregate,
• surface,
• softwood,
• furniture,
• substrate,
• plastic,
• assets,
• component,
• matter,
• toy,
• structure,
• gemstone,
• fibre,
• staple,
• foodstuff,
• medium,
• paint,
• leather,
• mineral,
• rock,
• paper,
• substance,
• implement,
• commodity,
• marker,
• crystal,
• wax,
• web,
• glass,
• document,
• siding,
• glasses,
• tool,
• investment,
• coating,
• article,
• input,
• part,
• clothing,
• insulator,
• container,
• synthetic,
• polymer,
• product,
• construction,
• finish,
• thing,
• barrier,
• food,
• particle,
• stuff,
• nature,
• pavement,
• sign,
• solid,