Modifiers matching ground:

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

Simple categories matching permeable:

• layer,
• zone,
• soil,
• material,
• membrane,
• surface,
• belt,
• mold,
• rock,
• object,
• diaphragm,
• cloth,
• sediment,
• paving,
• substrate,
• solid,
• fabric,
• siding,
• body,
• chemical,
• structure,
• substance,
• waste,
• unit,
• plate,
• region,
• ground,
• enclosure,
• formation,
• barrier,
• medium,
• container,
• fluid,
• pavement,
• alloy,
• fiber,
• polymer,
• component,
• deposit,
• compound,
• bedrock,
• epithelium,
• space,
• article,
• product,