Simple categories matching combustible:

• garbage,
• gas,
• hydrocarbon,
• mineral,
• waste,
• liquid,
• adhesive,
• land,
• item,
• substance,
• debris,
• contaminant,
• wall,
• metal,
• wax,
• matter,
• fiber,
• fumes,
• foil,
• vegetation,
• fabric,
• dust,
• residue,
• decoration,
• component,
• structure,
• solvent,
• fuel,
• space,
• construction,
• material,
• solid,
• volatile,
• equipment,
• scrap,
• compound,
• particle,
• container,
• fluid,
• mixture,
• powder,
• deposit,
• filament,
• object,
• article,
• product,
• vehicle,
• oil,
• sheet,
• nature,
• rock,
• chemical,
• surface,
• fraction,

Members with property combustible:

• methane,
• paper,
• lignite,
• waist_gas,
• bag,
• hydrogen,
• carbon_powder,
• dwelling,
• pulp_paper,
• wheat,
• metal,
• tinsel,
• gasoline,
• magnesium_potassium,
• wood,
• chemical,
• wooden_siding,
• similar_substance,
• dry_wood,
• lighter_fluid,
• propane,
• laundry,
• tree_limb,
• oil,
• mastic,
• window_curtain,
• food_packaging,
• alcohol,
• cellulosic_material,
• costume,
• ketone,
• pulverized_coal,
• coal_dust,
• magnesium,
• caulking_seal,
• wooden_cabinet,
• flammable_material,
• sheet,
• coke,
• peat_land,
• door_trim,
• pillow,
• naphthalene,
• store,
• jet_fuel,
• pitch,
• aliphatic_hydrocarbon,
• pvc,
• wood_product,
• pallet,
• paint_thinner,
• ash,
• propane_tank,
• trash_receptacle,
• lithium,
• carbon,
• paper_product,
• plastic_raceway,
• wallpaper,
• methyl_acetate,
• wood_waste,
• resin,
• liquefied_petroleum,
• stationery,
• trash,
• cleaning_fluid,
• noncombustible_ring,
• fiber,
• wooden_deck,
• wood_particle,
• polymer_adhesive,
• shed,
• panel,
• fabric,
• magnesium_foil,
• newspaper,
• carpeting,
• hearth_pad,
• cellulosic_matter,
• sheetrock,
• wood_fire,
• furniture,
• waste_oil,
• cannabis,
• book,
• closet_enclosure,
• cooking_gas,
• cinnamon_stick,
• rice_flour,
• sand,
• roof,
• pet,
• rubber,
• comber_waste,
• blessed_palm,
• inside,
• balcony,
• sawdust,
• solid,
• soybean,
• corn_starch,
• thinner,
• na,
• scrap,
• volatile_alcohol,
• lipid,
• timber_fence,
• brush,
• grain,
• inert_gas,
• zirconium,
• basket,
• wooden_stool,
• scenery,
• liquor,
• tapestry,
• sealer,
• oxygen_air,
• drapery,
• solvent,
• charcoal,
• distillate,
• animal_feed,
• antimony_sulfide,
• plastic_waste,
• ceiling,
• tree,
• potholder,
• litter,
• stacked_bed,
• wood_table,
• concrete,
• leather,
• wallboard,
• tobacco_sheet,
• oily_component,
• mineral_spirits,
• remnant,
• metal_oxide,
• trash_bag,
• firework,
• charcoal_fluid,
• bed,
• spirits,
• leaf,
• sodium_potassium,
• city_garbage,
• cellulose_paper,
• carbon-monoxide_gas,
• paper_goods,
• box,
• plastic,
• fireplace_mantel,
• hydrocarbon_gas,
• chair,
• straw,
• propane_gas,
• rigid_case,
• photograph,
• wooden_table,
• titanium,
• wardrobe,
• furnace_oil,
• phosphorus,
• cigarette,
• fertilizer,
• wood_scrap,
• sponge,
• transmission_fluid,
• grain_dust,
• wood_ceiling,
• pvc_fill,
• plastic_container,
• head_rest,
• fabric_sample,
• cotton,
• peat,
• formaldehyde,
• shoe_cover,
• magnesium_powder,
• wood_furniture,
• cardboard,
• acetic_acid,
• sparse_grass,
• pot_holder,
• food,
• roof_overhang,
• napalm,
• leafy_decoration,
• ethanol,
• guinness,
• aviation_fuel,
• methylated_spirits,
• yard_waste,
• candle,
• co,
• holiday_light,
• natural_gasoline,
• combustible_metal,
• drape,
• solid_fuel,
• grain_powder,
• wooden_fence,
• wood_fence,
• plastic_tub,
• bulk_powder,
• gas,
• brewer_grain,
• hay_dust,
• fishnet,
• plastic_tote,
• smoke,
• li,
• hay,
• brake_fluid,
• ethane,
• utensil,
• aluminium,
• holiday_decoration,
• sugar,
• city_gas,
• shelf,
• hardboard,
• potassium,
• kerosene,
• insulation,
• scrap_wood,
• preparation,
• cloth_flag,
• polish,
• flooring,
• creosote,
• argon,
• starch,
• soil,
• corrugated_papers,
• clothing_change,
• beryllium,
• wood_item,
• pesticide,
• linen,
• wooden_shelf,
• garbage,
• calcium,
• paper_dust,
• glycerin,
• toy,
• dishtowel,
• tube,
• lighter,
• framing_lumber,
• methanol,
• biomass,
• ether_thinner,
• streamer,
• oil_gas,
• cardboard_box,
• fumes,
• bedding,
• floor_chipboard,
• rag,
• curtain,
• thorium,
• wood_paneling,
• paper_streamer,
• animal_product,
• petroleum_solvent,
• sludge_oil,
• plastic_fuel,
• corrugated_paper,
• sulfur,
• decoration,
• flour_dust,
• red_phosphorus,
• benzene,
• magnesium_titanium,
• foam,
• polystyrene,
• upholstery,
• oven_mitt,
• duff,
• drying_clothes,
• petroleum-jelly_napalm,
• oil_rag,
• iron,
• fiberboard,
• terpene,
• solvent_fumes,
• grease,
• wood_framing,
• tire,
• vaporized_grease,
• trash_basket,
• hydraulic_fluid,
• ether,
• soiled_paper,
• bagasse,
• waste,
• beer_case,
• grass,
• gum,
• lp_gas,
• orthopedic_appliance,
• motor_fuel,
• deck,
• gunpowder,
• butane,
• pacemaker,
• rug,
• turpentine,
• silk,
• liquid,
• airplane,
• hydrogen_gas,
• dehydrated_waste,
• oxygen_bottle,
• tar,
• pot,
• petrol,
• raw_garbage,
• co2,
• powdered_zinc,
• plastic_bucket,
• inflammable_material,
• flower,
• mg,
• post_holder,
• canvas,
• hydrocarbon,
• manufactured_gas,
• air,
• ion-exchange_resin,
• plan,
• organic,
• coke_powder,
• mattress,
• paneling,
• rayon,
• natural_tree,
• liquefied_gas,
• wooden_coffin,
• clothes,
• coverall,
• vapors,
• wood_dust,
• wall,
• powdered_aluminum,
• acetone,
• garden_apartment,
• carpet,
• ethylene,
• sugar_dust,
• acetylene,
• debris,
• blanket,
• organic_compound,
• twig,
• tank,
• cleaning_rag,
• brush_debris,
• vegetable_waste,
• carbon-monoxide_co,
• petroleum_product,
• volatilized_gas,
• wooden_house,
• divider,
• petroleum,
• dead_shrubbery,
• coal_peat,
• cellulose,
• candle_wax,
• cookbook,
• accessory_structure,
• monomer,
• powdered_al,
• parachute,
• coal,
• liquid_hydrogen,
• fence,
• papers,
• table,
• bedspread,
• kitchen_waste,
• flour,
• gazebo,
• dust,
• glue,
• tissue,
• attic_space,
• plywood,
• match,
• heating_fuel,
• wooden_support,
• cellulosic_alcohol,
• spirit,
• fuel,
• natural_gas,
• long_grass,
• aldehyde,
• tobacco,
• acid,
• polymer,
• television,
• room_divider,
• napkin,
• propylene,
• towel,
• furniture_bedding,
• municipal_waste,
• solid_waste,
• wood_piece,
• waste_wood,
• carbonic_oxide,
• paraffin,
• rubber_material,
• petroleum_coke,
• grinding,
• patio,
• cellulosic,
• drywall,
• wood_siding,
• charcoal_briquette,
• paper_document,
• hafnium,
• carton,
• flammable_liquid,
• ceiling_tile,
• lacquer,
• painting,
• nitrobenzene,
• white_spirit,
• textile,
• ethane_c2h6,
• crepe,
• reactor_fumes,
• organic_waste,
• sodium_metal,
• paper_decoration,
• green_waste,
• carbonization_gas,
• house,
• drop,
• oxygen,
• acetylene_gas,
• toluene,
• residual_petroleum,
• magazine,
• container,
• zinc,
• floor,
• sacred_image,
• bush,
• groundnut_shell,
• filler,
• paint,
• cloth,
• nitrogen,
• wood_deck,
• bedclothes,
• moist_waste,
• chlorine,
• wax,
• ammonia,
• wooden_floor,
• building,
• blast-furnace_gas,
• liquid_propane,
• gaseous_mixture,
• saturated_hydrocarbon,
• pulp,
• varnish_paint,
• air_mixture,
• organic_solvent,
• signal_oil,
• clothing,
• timber,
• sodium,
• aluminum,
• white_gasoline,
• fabric_upholstery,