Modifiers matching ground:

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

Simple categories matching artificial:

• harbor,
• situation,
• structure,
• habitat,
• material,
• cosmetic,
• bait,
• fiber,
• image,
• polyamide,
• highway,
• surface,
• obstacle,
• flavor,
• container,
• system,
• measure,
• phenomenon,
• silk,
• actuation,
• sound,
• sweetener,
• compound,
• floor,
• land,
• fibre,
• lubricant,
• fluid,
• component,
• forest,
• cause,
• object,
• reef,
• fabric,
• wealth,
• arm,
• flavoring,
• odour,
• bone,
• flavouring,
• muscle,
• noise,
• hormone,
• nail,
• satellite,
• watercourse,
• flavour,
• location,
• grass,
• ingredient,
• abrasive,
• thing,
• drainage,
• hazard,
• machine,
• polymer,
• tree,
• fill,
• tube,
• noisemaker,
• substance,
• works,
• gemstone,
• domain,
• defence,
• action,
• barrier,
• perch,
• deposit,
• illuminant,
• vesicle,
• relic,
• conduit,
• stimulant,
• grouping,
• process,
• sensor,
• environment,
• effort,
• shade,
• chemical,
• sediment,
• layer,
• dielectric,
• receptacle,
• article,
• additive,
• cloning,
• defect,
• feed,
• space,
• sense,
• siding,
• wetland,
• control,
• scent,
• illumination,
• food,
• condition,
• body,
• device,
• waterway,
• event,
• casing,
• creature,
• textile,
• organs,
• filament,
• feature,
• sign,
• resin,
• jewel,
• creation,
• appliance,
• item,
• stone,
• particle,
• lake,
• limb,
• drain,
• jewellery,
• product,
• aggregate,
• lure,
• flaw,
• artefact,
• medium,
• conveyance,
• instrument,
• panel,
• perturbation,
• preservative,
• obstruction,
• decoration,
• shelter,
• light,
• weight,
• treatment,
• leather,
• facility,
• lighting,
• crystal,
• entity,
• intoxicant,
• pond,
• blockage,
• flower,
• thermostat,
• progestin,
• tissue,
• glass,
• aid,
• intelligence,
• enclosure,
• institution,
• activity,
• part,
• stimulus,
• practice,
• method,
• contraceptive,
• substrate,
• sapphire,
• emulsion,
• equipment,
• clothing,
• marking,
• fragrance,
• means,
• order,
• construction,
• unit,
• rock,
• feeding,
• rod,
• goal,
• preparation,
• cavity,
• devices,
• marker,
• fuel,
• pathogen,
• attribute,
• character,
• area,
• enterprise,
• extremity,
• oil,
• gem,
• gas,
• binder,
• production,
• disturbance,
• support,
• cue,
• care,
• network,
• selection,
• vegetation,
• ground,
• fastener,
• polyester,
• joint,
• channel,
• housing,
• boundary,
• constraint,
• organ,
• person,
• language,
• humanoid,
• graphite,
• agent,
• plant,
• distortion,
• source,
• piece,
• activator,