Simple categories matching usable:

• component,
• artifact,
• item,
• waste,
• material,
• symbol,
• article,
• liquid,
• equipment,
• stuff,
• entity,
• power,
• computer,
• furniture,
• suggestion,
• feature,
• plaything,
• fuel,
• resource,
• commodity,
• part,
• format,
• object,
• product,
• medium,
• energy,
• building,
• condition,
• system,
• location,
• space,
• salt,
• fraction,
• state,
• structure,
• compound,
• area,
• shape,
• information,
• apparatus,
• form,

Members with property usable:

• furniture,
• wine_glasses,
• goodwill,
• gypsum,
• chair,
• bandage,
• sphere,
• country,
• computer,
• courtyard,
• bed,
• ceiling,
• book,
• bath_product,
• clipboard,
• vcr,
• cooking_implement,
• wand,
• city,
• natural_uranium,
• skin,
• workshop,
• cadmium,
• door,
• state,
• playground,
• textile_bag,
• computer_disk,
• electricity,
• appliance,
• repair_pad,
• clothing,
• glove,
• hollow_wall,
• bowls,
• roll,
• kerosene,
• oxygen,
• cupboard,
• lab,
• transport_fuel,
• user,
• paper,
• car,
• photo_frame,
• soap,
• cement,
• cure_item,
• mat,
• cracker,
• eyeglasses,
• sheet_towel,
• cup,
• wood,
• solid,
• brick,
• scarf,
• pushcart,
• lipstick,
• pacifier,
• natural_gas,
• compartment,
• fridge_magnet,
• gravel,
• cd,
• television,
• flatware,
• card,
• office_equipment,
• address_book,
• street_address,
• pager,
• dish,
• photo,
• computer_interface,
• lifeboat,
• plate,
• armor,
• rectifier,
• video,
• linen,
• magnet,
• water,
• special_button,
• tableware,
• refrigerator_top,
• utility_room,
• tire,
• tv,
• convention,
• image_field,
• hose,
• studio,
• pen,
• bird_table,
• floppy,
• wheelbarrow,
• cone,
• hard_drive,
• engine,
• trunk_room,
• fixture,
• journal_cover,
• health_information,
• server,
• disc,
• walking_cane,
• gasoline,
• shoes,
• specialized_format,
• typewriter,
• fitting,
• iron,
• stainless,
• cloth,
• dvd,
• fatty_acid,
• doll,
• glycol_ether,
• bubble,
• lead_source,
• chemical,
• alcove,
• asphalt,
• diskette,
• hangar,
• sucrose,
• astrological_sign,
• bathroom,
• rear,
• image,
• stereo,
• closet,
• weapon,
• trivet,
• camera,
• side,
• chest,
• sign,
• key,
• gold,
• equipment_bag,
• dc,
• table,
• packing_paper,
• display_devices,
• household_utensil,
• display,
• ammunition,
• purse,
• lead,
• tile,
• belt,
• sheet,
• equipment,
• contiguous_bin,
• cabinet,
• printer,
• library,
• carbon,
• moulding,
• authorization_system,
• goblet,
• household_item,
• novel,
• plaza,
• video_card,
• interest,
• database,
• eyes,
• salt,
• hat,
• cell_phone,
• teleprinter_roll,
• hard_disc,
• clothes,
• terminal,
• bookmark,
• cap,
• household_goods,
• jewelry,
• candle,
• lumber,
• green_space,
• printer_ink,
• suspension_gear,
• apron,
• food_stuff,
• fur,
• methane_gas,
• protein,
• windows,
• garden_item,
• sand,
• manual,
• kitchenware,
• spaceship,
• mantel,
• electronic_equipment,
• pocket,
• staff,
• cell_sheet,
• pillow_case,
• petroleum_product,
• windshield,
• ball,
• plutonium,
• thing,
• plastic_sheet,
• fuel_gas,
• open_state,
• description,
• rear_axle,
• plumbing,
• label_stock,
• floppy_diskette,
• oil,
• towel,
• leather_bookmark,
• robot,
• play,
• electrical_appliance,
• food,
• small_appliance,
• den,
• school,
• construction_material,
• pellet,
• game,
• lane,
• aluminum,
• transmission,
• valuable_saltpetre,
• map,
• instrumentation,
• methanol,
• potion,
• box,
• magazine,
• sheet_rock,
• car-care_product,
• battery,
• button,
• rubber_sheeting,
• solar_radiation,
• coated_papers,
• eraser,
• fixed_gun,
• paint,
• metal,
• flooring,
• metal_salt,
• chloride_salt,
• paper_pulp,
• desk,
• heat,
• decorative_rock,
• napkin,
• vase,
• zipper,
• closed_state,
• radio,
• utility,
• art,
• garage_floor,
• calendar,
• pulpwood,
• playhouse,
• architectural_elements,
• microprocessor,
• numerical_value,
• gas,
• xmas_ornament,
• block,
• body,
• goods,
• bracket,
• limb,
• wire,
• leather_wristband,
• plastic,
• reading_nook,
• bootie,
• service_reminder,
• electronic_sign,
• bottle,
• unused_chemical,
• nickel,
• separator,
• furrow,
• paint_tube,
• auto_product,
• shed,
• lid,
• hardwood_floor,
• steel,
• advisory_publication,
• baked_goods,
• ski,
• motor,
• storage_container,
• bedding,
• harmonic_line,
• sec,
• uranium,
• statistical_information,
• glasses,
• small_toy,
• laundry,
• office_paper,
• trough,
• aluminum_fluoride,
• certain_metal,
• history,
• fan,
• compact_disc,
• apparel,
• central_processor,
• ornament,
• chart_form,
• diaper,
• scrap_paper,
• spread_sheet,
• bumper,
• door_panel,
• drink,
• office,
• equation,
• panel,
• mailbox,
• nitrate,
• bat,
• workshop_machine,
• lamp,
• glass,
• direct_current,
• plaster,
• shampoo,
• metal_scrap,
• cpu,
• sock,
• cis_unit,
• glassware,
• handheld_devices,
• breadboard,
• papers,
• park,
• bicycle_tire,
• toothbrush,
• stone,
• antenna,
• handle,
• pedestrian_plaza,
• condiment_set,
• memory,
• car_tyre,
• polymeric_material,
• helicopter,
• starch,
• cd_rom,
• toy,
• cane,
• attack_wand,
• crowbar,
• hardware,
• tc,
• cobalt,
• solar_energy,
• bookcase,
• building,
• sunlight,
• floppy_disc,
• shoe_rack,
• planter_box,
• flag,
• computer_room,
• carpet,
• mirror_frame,
• automotive_product,
• soluble_protein,
• transforming_snake,
• interior_room,
• synthetic_gas,