Modifiers matching ground:

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

Simple categories matching off:

• object,
• move,
• clothing,
• road,
• surface,
• night,
• equipment,
• material,
• appliance,
• piece,
• predator,
• trail,
• item,
• system,
• gas,
• hours,
• nature,
• structure,
• impurity,
• firework,
• area,
• molecule,
• insect,
• installation,
• actuator,
• furnishing,
• thing,
• energy,
• animal,
• bird,
• accessory,
• season,
• sweetener,
• bottle,
• measure,
• part,
• substance,
• point,
• chemical,
• heat,
• lock,
• peripheral,
• activity,
• residue,
• product,
• line,
• ability,
• project,
• wall,
• fluid,
• solute,
• brand,
• apparel,
• ground,
• source,
• period,
• filter,
• stain,
• radiation,
• craft,
• signal,
• web,
• weapon,
• day,
• feature,
• opening,
• control,
• times,
• reactant,
• indicator,
• treasure,
• contamination,
• food,
• light,
• room,
• event,
• protein,
• contaminant,
• characteristic,
• perch,
• furniture,
• device,
• street,
• month,
• track,
• machine,
• fuel,
• particle,
• dirt,
• instrument,
• shop,
• scent,
• menu,
• liquid,
• property,
• industry,
• service,
• waste,
• roads,
• land,
• container,