Simple categories matching washable:

• fabric,
• bedding,
• flooring,
• surface,
• toy,
• plastic,
• product,
• wall,
• keepsake,
• item,
• garment,
• material,
• yarn,
• layer,
• fiber,
• article,

Members with property washable:

• cotton,
• denim,
• silver,
• cloth_diaper,
• utensil,
• chair,
• jetty,
• duck_cloth,
• partition,
• wall,
• stainless-steel_fabric,
• viscose,
• floor,
• linen,
• painted_surface,
• polyester,
• curtain,
• brass,
• sponge,
• clothes,
• floor_mat,
• enamel,
• equipment,
• silk,
• cretonne,
• gingham,
• countertop,
• kitchen,
• slipway,
• nylon,
• fiberglass,
• blend_knit,
• pillow_case,
• glass,
• cotton_towelling,
• formica,
• cotton_duck,
• table_cloth,
• vinyl,
• stocking,
• home,
• steps,
• water,
• marbles,
• oven_top,
• terry_towelling,
• paint,
• white_wall,
• footwear,
• cloth,
• counter_top,
• linoleum,
• nonporous_floor,
• synthetic_marble,
• bedding,
• wool,
• stone_floor,
• auto,
• cart,
• stainless-steel_countertop,
• adult_clothing,
• windows,
• kennel,
• hardwood_floor,
• carpet,
• exam_table,
• shirt,
• cabinet,
• old_sheet,
• flannel,
• satin,
• hood,
• crate,
• acrylic_sheet,
• tea_kettle,
• mirror,
• vehicle,
• formica_countertop,
• wood,
• clothing,
• sheepskin,
• chintz,
• pack_cloth,
• stove,
• towelling,
• acrylic,
• asphalt,
• blanket,
• vent_hood,
• painted_wood,
• sheet,
• home_decor,
• chenille,
• vinyl_composition,
• drape,
• dacron,
• glove,
• sock,
• plastic_surface,
• concrete,
• formica_surface,
• bedspread,
• plate,
• uniform,
• terrycloth,
• nappy_diaper,
• blouse,
• play_area,
• washable_glove,
• tile,
• rug,
• greenhouse,
• duck,
• rayon,
• locker,
• bath_surface,
• polyethylene,
• washroom_fixture,
• waterproof_nylon,
• calico,
• crystal,
• shower,
• lingerie,
• plexiglas,
• grill,
• table_clothes,
• table_top,
• cage,
• muslin,
• driveway,
• rough_toweling,
• heavy_cotton,
• metal,
• upholstery,
• mosaic,
• refrigerator,
• outdoor_furniture,
• incontinence_product,
• boat,
• appliance,
• tin,
• stainless-steel_fixture,
• porcelain,
• quilted_cotton,
• air-conditioner_filter,
• resilient_floor,
• aircraft,
• door,
• kitchen_floor,
• quarry,
• foam,
• ceramic_tile,
• mixed_fibre,
• rubber,
• canvas,
• bathroom,
• tool,
• smock,
• pontoon,
• shower_wall,
• jacket,
• fixture,
• basin,
• machinery,
• towel_material,
• steel,
• desk,
• bathroom_surface,
• pool,
• yoga_mat,
• baseboard,
• nylon_plush,
• marble,
• brick,
• coat,
• pillowcase,
• lino,
• vinyl_flooring,
• waistcoat,
• apron,
• ceramics,
• sink,
• plain-weave_cotton,
• bath_tub,
• towel,
• ranch_equipment,
• saucer,
• floor_rug,
• table,
• plastic_table,
• comforter,
• counter,
• rattle,
• woodwork,
• kitchen_surface,
• corduroy,
• silks,
• brick_surface,