Modifiers matching ground:

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

Simple categories matching disturbed:

• condition,
• site,
• light,
• area,
• environment,
• predator,
• community,
• location,
• place,
• situation,
• behaviour,
• region,
• surface,
• land,
• ground,