Simple categories matching unconventional:

• tool,
• document,
• medium,
• material,
• item,
• floor,
• surface,
• fluid,
• carrier,
• instrument,
• source,
• livestock,
• fuel,
• outfit,
• structure,
• fiber,
• metal,
• literature,
• location,
• substrate,
• means,
• solvent,
• host,
• illustration,
• area,
• fibre,
• place,
• animal,
• mixture,
• instrumentation,
• construction,
• weapon,

Members with property unconventional:

• wood,
• phenol,
• beryllium,
• resin,
• metal,
• collar,
• library,
• paper,
• spatula,
• barbershop,
• chainsaw,
• university_website,
• helmet,
• fabric,
• paint,
• yak,
• suicide_bomb,
• glass,
• methanol,
• pencil,
• wire_mesh,
• plasticine,
• southwest_airline,
• textured_paper,
• corrugated_aluminum,
• raffia,
• wall,
• goat_hair,
• banteng,
• faux_fur,
• farmhouse,
• air_brush,
• stone,
• soil,
• brick,
• shaved_mink,
• marimba,
• knife,
• saxophone,
• suede,
• bucket,
• feather,
• nail_gun,
• monastery,
• gravel,
• animal_bones,
• anemone,
• hard_metal,
• piccolo,
• gas,
• aubergine,
• tar,
• bagel,
• bedroom_wall,
• marbles,
• telephone,
• stick,
• patent-leather_dress,
• kenaf,
• carbon,
• weapon,
• string,
• animal,
• cinema,
• cashmere,
• counter,
• glockenspiel,
• pot,
• dried_riverbed,
• pan,
• parachute_silk,
• dirt,
• ocarina,
• simple_alcohol,
• elevator,
• torque_bow,
• fiber,
• pvc,
• auto_enamel,
• bamboo_mat,
• castle,
• alcohol,
• hair,
• vinyl_record,
• organ,
• fake_blood,
• glass_bottle,
• oled_fiber,
• copper,
• acrylic,
• school,
• infrared_fiber,
• quartz,
• enamel,
• china_cup,
• corrugated_cardboard,
• bicycle_spoke,
• old_newspaper,
• siren,
• natural_fiber,
• ink,
• calcite,
• ceiling,
• washing-machine_cylinder,
• mall,
• hospital,
• computer,
• burlap,
• second_floor,
• sea_water,
• clay_model,
• radiological_weapon,
• bass,
• bagasse,
• xylophone,
• earth,
• clarinet,
• contact_paper,
• neon,
• thesis,
• hydrocarbon,
• fragile_coating,
• harmonica,
• nitrogen,
• kazoo,
• mandolin,
• boat,
• steel_pipe,
• blood,
• mobile_trailer,
• predator,
• trowel,
• box,
• biological_weapon,
• perforated_metal,
• portable_carport,
• titanium,
• mirror,
• bamboo_scaffolding,
• basket_ball,
• paper_cutout,
• wood_pallet,
• tritium,
• old_theatre,
• sander,
• plaster,
• cement,
• work,
• electric_bass,
• foam,
• canvas,
• microphone,
• sewing_utensil,
• rock,
• ceramics,
• newspaper,
• oil,
• brass,
• wounded_knee,
• rod,
• hill_clay,
• corrugated_steel,
• petroleum_product,
• community_area,
• porridge_gun,
• industrial_machinery,
• broken_glass,
• cutting-edge_tool,
• duck,
• shoes,
• human_hair,
• african_drum,
• alpaca,
• blender,
• silver,
• lab_cabinet,
• former_storefront,
• keyboard,
• prison,
• metal_pipe,
• brass_screw,
• wire_medium,
• pipe,
• eider,
• floor,
• papers,
• public_institution,
• swordfish,
• black_velvet,
• camel,
• rooftop,
• exotic_fiber,
• appliance,
• coin_laundry,
• blood_drive,
• digital_voltmeter,
• vacant_factory,
• carbon_powder,
• metal_locker,
• yellow_dress,
• crude_weapon,
• synthetic_hair,
• nursing-home_bedside,
• canopy,
• dirty_bomb,
• cotton,
• drum,
• bicycle_bell,
• cardboard,
• contrabassoon,
• refrigerator,
• maid_service,
• church,
• iron_pipe,
• salt,
• aircraft,
• snowboard,
• mailbox,
• chameleon,
• timber,
• metallic_powder,
• polymer,
• livestock_marker,
• coating,
• glitter_stick,
• perspex,
• clay,
• molten_metal,
• pen,
• dulcimer,
• office,
• ash,
• aardvark,
• neoprene,
• putty_knife,
• television,
• grape,
• latex,
• tomato,
• biomass,
• hammer,
• chocolate,
• rare_metal,
• electric_guitar,
• coal,
• felt,
• trumpet,
• liquefied_coal,
• collage,
• soot,
• nuclear_bomb,
• leather,
• furniture_paste,
• granite_block,
• horn,
• historic_building,
• cello,
• abandoned_school,
• cuff,
• plant,
• llama,
• email,
• liquid_coal,
• protest_action,
• spoon,
• tent,
• buzzing_organs,
• dust,
• space_frame,
• antique_door,
• bone,
• diamond,
• ornate_wallpaper,
• dogwood,
• cardboard_tube,
• steel_truss,
• theremin,
• shell,
• truck,
• post,
• box_cutter,
• pedal_steel,
• report,
• correction_fluid,
• chair,
• old_boot,
• comb,
• jackhammer,
• dining-room,
• factory,
• flute,
• nutria,
• aluminium,
• pole,
• japanese_paper,
• popsicle_stick,
• washboard,
• toss_pillow,
• low-density_foam,
• accordion,
• nonlethal_weapon,
• magnet,
• cloth,
• carbon_fibre,
• hemp,
• water,
• sugar,
• supermarket,
• basswood,
• sand,
• zinc,
• cork,
• screwdriver,
• house,
• silver_pigment,
• cafeteria,
• religious_works,
• sunken_car,
• rubber,
• wire,
• wax,
• shop_tool,
• aluminum,
• garden_umbrella,
• technical_report,
• coffee,
• bedroom,
• waste_coal,
• bike_horn,
• oil_drum,
• bones,
• ukulele,
• gauze,
• mixed_medium,
• chemical,
• silk,
• whiskey_barrels,
• gold,
• sheepskin,
• fur,
• blade,
• deer,
• bicycle,
• old_wood,
• crossbow,
• under_pocket,
• foam_block,
• cobblestone,
• felt-tip_marker,
• steel,