Modifiers matching ground:

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

Simple categories matching mechanical:

• property,
• equipment,
• method,
• support,
• stuff,
• system,
• input,
• means,
• instrumentation,
• devices,
• pick,
• agent,
• part,
• unit,
• appendage,
• trade,
• fastener,
• display,
• condition,
• accuracy,
• appliance,
• structure,
• information,
• software,
• perception,
• particle,
• contrivance,
• activity,
• object,
• crusher,
• device,
• mixer,
• arm,
• engineer,
• design,
• operations,
• product,
• substrate,
• frame,
• binding,
• nature,
• machinery,
• gadget,
• feature,
• vibration,
• cutter,
• cultivation,
• elements,
• block,
• instrument,
• dispenser,
• abrasive,
• representation,
• failure,
• specialist,
• interference,
• processing,
• transducer,
• conveyance,
• mistake,
• data,
• level,
• jolt,
• problem,
• figure,
• pump,
• compartment,
• links,
• principle,
• engine,
• closure,
• space,
• parameter,
• field,
• dryer,
• contraceptive,
• contaminant,
• perturbation,
• dredge,
• production,
• attachment,
• ventilation,
• artifact,
• actuator,
• cam,
• vehicle,
• stimulation,
• piano,
• arrangement,
• engagement,
• behavior,
• release,
• operation,
• lubricant,
• record,
• measurement,
• test,
• deficiency,
• feeder,
• opening,
• lock,
• facility,
• weaponry,
• coupler,
• barrier,
• issue,
• handbook,
• quality,
• breakdown,
• pressure,
• stress,
• character,
• imperfection,
• function,
• abuse,
• study,
• modality,
• filter,
• harvester,
• mill,
• mechanism,
• converter,
• shock,
• contact,
• way,
• material,
• apparatus,
• aspect,
• excavator,
• integrity,
• requirement,
• force,
• gear,
• line,
• switch,
• cooling,
• piece,
• stimulus,
• science,
• ground,
• tissue,
• termination,
• implement,
• actuation,
• drive,
• attribute,
• skill,
• arts,
• accident,
• surface,
• rope,
• medium,
• injury,
• element,
• fixture,
• process,
• assistance,
• factor,
• terminal,
• defect,
• machine,
• indicator,
• danger,
• wave,
• trouble,
• impurity,
• module,
• coupling,
• separation,
• sieve,
• practice,
• strength,
• valve,
• protection,
• characteristic,
• effort,
• hazard,
• testing,
• creature,
• constraint,
• connection,
• trap,
• trauma,
• radiation,
• drawing,
• loading,
• component,
• output,
• influence,
• contraption,
• linkage,
• deformation,
• signal,
• invention,
• applicator,
• anchorage,
• fault,
• counter,
• guide,
• technique,
• movement,
• obstruction,
• impairment,
• job,
• gauge,
• timer,
• strain,
• impact,
• entity,
• fluid,
• work,
• change,
• plant,
• collector,
• transport,
• service,
• pattern,
• check,
• fitting,
• scale,
• event,
• difficulty,
• quantity,
• sound,
• resistance,
• necessity,
• hardware,
• variable,
• whole,
• fastening,
• joint,
• sander,
• error,
• abnormality,
• item,
• carrier,
• spring,
• craft,
• dispersion,
• tie,
• improvement,
• controller,
• compressor,
• matter,
• tool,
• detector,
• details,
• abrasion,
• intervention,
• seal,
• response,
• cause,
• performance,
• separator,
• interaction,
• article,
• knot,
• subject,
• application,
• calculator,
• noise,
• member,
• shutter,
• cable,
• sensation,
• irritation,
• malfunction,
• overload,
• being,
• distortion,
• anemometer,
• oscillation,
• control,
• arena,
• motion,
• works,
• complication,
• distribution,
• causality,
• gates,
• subsystem,
• assembly,
• environment,
• balance,
• purpose,
• phenomenon,
• connector,
• restraint,
• sensor,
• pet,
• engineering,
• power,
• weapon,
• housing,
• knife,
• installation,
• modification,
• readout,
• gage,
• specification,
• measure,
• damage,
• printer,
• creation,
• shape,
• energy,
• disturbance,
• spreader,
• procedure,
• task,
• toy,
• thing,
• action,
• organs,
• area,
• agitation,
• obstacle,
• noisemaker,
• form,
• relic,
• fixing,
• circuit,
• behaviour,
• lesion,