Modifiers matching ground:

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

Simple categories matching low:

• shrub,
• elevation,
• furniture,
• establishment,
• crime,
• furnishing,
• surface,
• perennial,
• barrier,
• area,
• structure,
• object,
• class,
• shoes,
• land,
• form,
• place,
• power,
• perch,
• item,
• status,
• protein,
• plant,
• use,
• country,
• ground,
• animal,
• ornamental,
• level,
• detail,
• rank,
• spot,
• chair,
• action,
• stratum,
• grass,
• obstruction,
• piece,
• facility,
• metal,
• pressure,
• frequency,
• character,
• bench,
• mood,
• invertebrate,
• process,
• tree,
• annual,
• binder,
• condition,
• vegetation,
• section,
• clearance,
• affinity,
• task,
• bush,
• situation,
• building,
• value,
• light,
• point,
• cloud,