Simple categories matching rigid:

• transparency,
• surface,
• tubing,
• material,
• product,
• protein,
• measure,
• gel,
• container,
• implement,
• molecule,
• structure,
• object,
• insulation,
• luggage,
• substrate,
• sheet,
• case,
• device,
• body,
• obstruction,
• piece,
• ground,
• deposit,
• fastener,
• fixture,
• casing,
• cover,
• fixing,
• shape,
• pipe,
• document,
• class,
• article,
• item,
• fabric,
• tissue,
• floor,
• package,
• web,
• part,
• substance,
• textile,
• movement,
• block,
• deck,
• motion,
• matrix,
• solid,
• member,
• tip,
• foundation,
• cutoff,
• carrier,
• construction,
• post,
• architecture,
• hanger,
• entity,
• lining,
• plate,
• barrier,
• packing,
• fiber,
• change,
• appendage,
• sorbent,
• connection,
• plastic,
• component,
• mineral,
• rod,
• pavement,
• mechanism,
• devices,
• representation,
• shaft,
• wall,
• foam,
• thermoplastic,
• instrumentation,
• watercraft,
• macromolecule,
• polymer,
• unit,
• adhesive,
• bed,
• airfoil,
• connector,
• paper,
• fibre,
• boot,
• metal,
• rock,
• frame,
• panel,
• space,
• armour,
• plant,
• base,
• transformation,
• hitch,
• tool,
• support,
• stick,
• vehicle,
• sphere,
• profile,
• medium,
• display,
• sector,
• instrument,
• coil,
• boundary,
• cement,
• cloth,
• system,
• tube,
• thread,
• filler,
• food,
• dressing,
• portion,
• feature,
• aggregate,
• organs,
• obstacle,
• monomer,
• strip,
• layer,
• alteration,
• cylinder,
• appliance,
• resin,
• group,
• splint,
• form,
• matter,
• particle,
• organ,
• finish,
• element,
• means,
• covering,
• bottle,

Members with property rigid:

• limit_weight,
• metal,
• ceramic_wafer,
• steel_pipeline,
• wood,
• aluminum,
• steel,
• supple_medium,
• glue,
• concrete_manhole,
• fiberboard_box,
• wall,
• fiberglass_cast,
• nickel,
• siding_material,
• silver_halide,
• tub,
• stallion_catheter,
• margarine_tub,
• steel_board,
• text,
• magnesium,
• corrugated_board,
• masonry_nail,
• rock,
• flexible_strip,
• refrigerator,
• flexible_beam,
• acrylic,
• machine-tool_frame,
• concrete_pipe,
• abs,
• tent_pole,
• rope,
• match_stick,
• deflection_shield,
• varied_material,
• pyrolytic_carbon,
• wood_molding,
• robot_arms,
• whole_grain,
• beam,
• potato_basket,
• table_surface,
• silicate,
• gesso_board,
• decorative_panel,
• stretcher,
• masonite_material,
• gravity_wall,
• mouth,
• sandblast_rubber,
• car,
• flat_plate,
• cardboard_container,
• magnetic_particle,
• ligament,
• acrylic_sheet,
• screw,
• baby_bottle,
• cervical_vertebra,
• foam_core,
• optical_disk,
• sandwich_structure,
• vehicle_body,
• glass_plate,
• dna,
• wooden_panel,
• glass_piece,
• concrete_drain,
• takeaway_container,
• product,
• weapon,
• popsicle_stick,
• plagioclase,
• phosphor-bronze_plate,
• milk_jug,
• paper_chart,
• south_china,
• steel_container,
• machinery_part,
• machine-tool_steel,
• irish_model,
• ceiling,
• sulfate_group,
• method,
• glass_wafer,
• cylinder,
• right,
• stucco,
• virtual_instrument,
• tow_bar,
• mi,
• wastebasket,
• translation,
• ceramic_plate,
• rose,
• stainless_steel,
• pen_tip,
• dry_bread,
• pillar,
• jersey_barrier,
• stainless-steel_tubing,
• splint,
• antibody,
• wood_piece,
• activated_carbon,
• paving,
• stake,
• toothpick,
• biopsy_needle,
• photo_stock,
• jaw,
• electronic_casing,
• pyridine,
• diaphragm_wall,
• pelvic_bones,
• slab_foundation,
• collagen,
• lamp,
• plate_metal,
• surgical_instrument,
• collagen_fiber,
• crystalline_polymer,
• crystalline_quartz,
• plastic_card,
• rigid_resin,
• aluminium_tin,
• glass_pipe,
• sheet_rock,
• nickel_stainless,
• piece,
• ceramics,
• tarmac,
• airplane_wing,
• coated_aluminium,
• slide,
• clay,
• aluminium_sheet,
• manhole_base,
• sign_support,
• spring_steel,
• bridge_railing,
• engine,
• mat,
• articular_cartilage,
• sword,
• hard_floor,
• slate_plate,
• latex_sphere,
• packaging,
• gator,
• brick_column,
• perspex,
• septic_tank,
• cast_aluminum,
• rigid_foam,
• closure,
• uncarpeted_center,
• crate,
• cup,
• toy,
• building,
• vertebral_column,
• hard_rubber,
• sand_crystal,
• stainless,
• synthetic_polymer,
• hub,
• ring_binder,
• sphere,
• plastic_pipe,
• stump,
• lumber,
• carbonyl,
• stove,
• decorator_plate,
• latter_joint,
• titania_powder,
• canopy,
• steel_rod,
• shower_enclosure,
• telephone_handset,
• slide_glass,
• ship,
• masonry_column,
• test_panel,
• stabilized_tricot,
• broom,
• lateral_mass,
• plane,
• polystyrene,
• glass_sphere,
• snap_connector,
• duck,
• articulation,
• biological_polymer,
• conventional_bolt,
• retainer,
• cotton,
• stone_block,
• belemnite_fossil,
• railing,
• shop-floor_system,
• biopsy_forceps,
• dead_snake,
• sheet_aluminum,
• coaster,
• cue,
• collar_plate,
• brain,
• legs,
• bottle,
• arm,
• masonry_wall,
• couple,
• styrene,
• paper,
• refrigerator_door,
• pier,
• metal_frame,
• triple_bond,
• pvc,
• plan,
• ruby,
• plastic_crate,
• utility_pole,
• roads,
• gypsum,
• roller,
• bench_system,
• fiber_drum,
• thick_paper,
• uneven_floor,
• ocean_pier,
• obturator,
• university,
• concrete,
• lifting_triangle,
• lamp_standard,
• large_stone,
• fish_box,
• stone,
• resin,
• formulaic_plan,
• chest_wall,
• cast,
• pipeline,
• barrels,
• gel,
• carbon_graphite,
• plaster,
• concrete_block,
• tin,
• sea_sand,
• steel_rule,
• jetty,
• bituminous_pavement,
• graphite,
• tube,
• plywood,
• plastic_strip,
• wafer,
• golf-club_head,
• road,
• cooking_devices,
• ps,
• subordinate_quartz,
• mica,
• bony_structure,
• wings,
• polypropylene_resin,
• revetment_wall,
• crystal,
• pail,
• pulp_board,
• trachea,
• illustration_board,
• carbon_fibre,
• scaffolding,
• passport,
• asbestos_board,
• planet,
• rigid_insulation,
• thermoplastic_substrate,
• glass_pane,
• motor-vehicle_roof,
• camera_movement,
• forceps,
• tubular_bridge,
• golf-club,
• longitudinal_force,
• burn_barrels,
• acrylic_rod,
• cabin_sole,
• meter_stick,
• board,
• porch,
• granite,
• silicon_wafer,
• zircon,
• single_sheet,
• rigid_urethane,
• steel_anvil,
• card_stock,
• resorcinol,
• concrete_panel,
• plastic_bottle,
• force,
• car_dashboard,
• trim_panel,
• box_cover,
• loudspeaker_cone,
• panel,
• card,
• ladder_splint,
• stainless-steel_pan,
• metal_material,
• phosphate,
• metal_sheet,
• country,
• metal_debris,
• plastic_plate,
• polymer,
• duralumin,
• skull,
• corporation,
• batten,
• cast_gold,
• snap,
• key,
• glass_jar,
• buckle_transducer,
• column,
• cane,
• furniture,
• tumbler,
• paperboard,
• tray,
• pen,
• fish_paper,
• copolymer,
• liquid-crystal_polymer,
• north-american_plate,
• machine,
• side,
• rib,
• tar,
• portland-cement_concrete,
• smart_card,
• broken_glass,
• bridge,
• plastic_bar,
• screwdriver,
• firewall,
• tricot,
• cell-wall_material,
• tendon,
• expanded_polystyrene,
• hydrant,
• direct_bond,
• platform_system,
• carbon,
• gallium_arsenide,
• cartridge,
• vitrified_clay,
• titanium_alloy,
• hypo_tubing,
• footpath,
• match_box,
• bridge_barrier,
• hardware,
• body,
• bed,
• enamel,
• bulkhead,
• conventional_metal,
• id_card,
• bones,
• bottle_cap,
• philadelphia_collar,
• glass_framing,
• epoxy,
• nh_amide,
• curb,
• molecular_cluster,
• cornea,
• fiberboard_container,
• bridge_abutment,
• phenolic,
• acrylic_polymer,
• wooden_box,
• metal_rod,
• drainage_pit,
• concrete_cutoff,
• robot_arm,
• box,
• currant,
• foam,
• anhydrous_gel,
• motorbike,
• rnase,
• soundboard,
• fibre_panel,
• base,
• toilet,
• picnic_plate,
• feldspar,
• glass_bead,
• bush,
• water-pump_housing,
• mineral,
• head,
• trestle,
• steel_alloy,
• pva,
• tree_limb,
• plow,
• timber,
• vehicle_chassis,
• gearbox,
• brick,
• concrete_lid,
• muscle,
• government,
• metal_panel,
• mesh,
• glass_bottle,
• plate_mail,
• expanded_polyurethane,
• titanium_post,
• globular_protein,
• rod_hanger,
• pencil_tip,
• walkway_bridge,
• barrel,
• abs_resin,
• cartilage,
• dolomite,
• billiards_ball,
• hanger,
• microscope,
• fastener,
• biscuit,
• teapot,
• tabletop,
• paint_resin,
• plastic_carton,
• wheat,
• cistern,
• frame,
• steel_bar,
• chair_leg,
• cd,
• tetrafluoroethylene,
• knee,
• window,
• building_structure,
• bracket,
• ventilation_equipment,
• reflection,
• lead,
• matrix_structure,
• plant-cell_wall,
• ebony,
• horizontal_stabilizer,
• fiberglass,
• linen,
• wooden_frame,
• basement_floor,
• pvc_sheet,
• surgical_textile,
• hard_palate,
• cervical_column,
• portable_bin,
• stylus,
• bronze,
• pick,
• bundle,
• urea,
• acetal,
• phenol,
• wax,
• gooseberry,
• meat,
• ebonite,
• concrete_base,
• tile,
• graphic-art_film,
• organized_religion,
• bamboo,
• pirate_sword,
• rack,
• jug,
• aircraft_hull,
• concrete_building,
• starch,
• printing_tape,
• helix,
• cement_paste,
• uncarpeted_floorboard,
• electrical_transformer,
• mylar,
• cookie_tin,
• rotation,
• bond,
• windows,
• vascular_tissue,
• asphalt_roadway,
• rubber_material,
• screw_fastener,
• tool,
• manhole,
• reinforced-concrete_slab,
• beryllium,
• pole,
• fiber_post,
• structure,
• human_skull,
• bridge_rail,
• magnesium_metal,
• desk,
• masonry,
• pew,
• dam,
• clothing,
• transportation,
• membrane_constituent,
• asphalt,
• cement,
• corrugated_paperboard,
• piano,
• polyester_resin,
• steel_sheet,
• bed_ware,
• micrometer_head,
• emulsion_polymer,
• titanium,
• semiconductor_wafer,
• top_case,
• trunks,
• tree,
• eye_mechanics,
• specimen,
• right-angle_boot,
• metal_conduit,
• milk_crate,
• fuselage,
• spine,
• jewelry_case,
• ball,
• tramway,
• reinforced-concrete_bed,
• tank_body,
• polystyrene_film,
• shrub,
• grating_material,
• wall_mural,
• paved_surface,
• bench,
• satellite,
• body_surface,
• foam_pvc,
• chrome,
• plaque,
• square,
• carton,
• concrete_wall,
• fencing,
• silicone,
• copper,
• patient_bed,
• methylene,
• photographic_slide,
• sapling,
• under_arm,
• super_glue,
• whole_body,
• endoscopic_electrode,
• ceramic_post,
• battery_case,
• zeolite,
• snail_shell,
• vinyl_skin,
• bridge_pier,
• radiator,
• coated_polyester,
• light_pole,
• abutment_wall,
• denim,
• concrete_barrier,
• snap_hook,
• glass_dome,
• drywall,
• duct_wall,
• laundry-detergent_container,
• pipe,
• dumpster,
• corer,
• teeth,
• gb,
• coating,
• extra_battery,
• alloy,
• tripod,
• liver,
• bolt_assembly,
• knife_tube,
• semirigid_substrate,
• glass_panel,
• bronchus,
• stiff_rubber,
• cast_steel,
• walking_stick,
• leather,
• staple,
• airplane,
• head_rotation,
• quartz_grain,
• suitable_paper,
• carbon_phenolic,
• asbestos_cement,
• case,
• solid_aluminum,
• mechanical_part,
• heavy_equipment,
• neck,
• nest_box,
• bolt,
• platform_truck,
• table_top,
• door_lock,
• basement_wall,
• quota,
• skin,
• quartz,
• awning_frame,
• silicon_particle,
• glass,
• hard_paper,
• aromatic_ring,
• yoghurt_pot,
• slate,
• aluminium,
• si,
• jar,
• paste,
• oilrig,
• spear,
• photograph,
• thermos,
• metal_pail,
• bank,
• upright,
• glucose,
• oil_drum,
• embankment,
• fresh_vegetable,
• shallow_tray,
• nut,
• counter,
• broom_stick,
• brass,
• food_storage,
• lower_jaw,
• cardboard_box,
• video_screen,
• erect_penis,
• boiler_wall,
• door,
• wood_frame,
• solid_steel,
• polyethylene,
• concrete_slab,
• ship_hull,
• hardboard,
• urethane,
• metal_pipe,
• natural_stone,
• tote_box,
• calcareous_cement,
• detergent_bottle,
• attachment,
• triangle,
• x-ray_cassette,
• rest,
• fiberglass_canoe,
• hurdle,
• eyes,
• casket,
• video_cassette,
• polyethylene_foam,
• concrete_paving,
• revolution_body,
• polymeric_material,
• bearing,
• joint,
• engine_head,
• channel,
• bar,
• compass,
• stick,
• metal_tin,
• plastic_jar,
• crowbar,
• styrofoam,
• vertebral_lamina,
• epoxy_glass,
• normal_distribution,
• umbrella,
• club,
• tubular_steel,
• mass,
• plasterboard,
• diamond,
• solid,
• marble,
• concrete_flooring,
• presidential_system,
• concrete_foundation,
• knife,
• ampoule,
• synthetic-resin_sheet,
• permeable_rock,
• chromium,
• button,
• cpr_board,
• cellulose,
• harbor_wharf,
• bolt_connection,
• battery,
• cracker,
• window_profile,
• backboard,
• cube,
• perspex_material,
• plasma_display,
• raw_carrot,
• submarine_hull,
• limpet_shell,
• heavy_beam,
• wedge_barrier,
• shell,
• metal_alloy,
• similar_material,
• urea_formaldehyde,
• pencil,
• box_steel,
• myelin,
• hoof,
• separation,
• nickel_particle,
• carbonate,
• framing,
• pylon,
• aromatic_structure,
• building_foundation,
• charcoal,
• porous_glasses,
• baggage_rack,
• carrying_case,
• bin,
• various_gel,
• hoops,
• conduit,
• bat,
• silicon,
• glass_jug,
• hip,
• phenol_resin,
• silica,
• hexagonal_brass,
• vehicle,
• silver_case,
• osseous_structure,
• thin_rod,
• drum,
• buckle,
• cloth,
• stainless-steel_exhibit,
• groin,
• webbing,
• rail_car,
• marbles,
• sea_wall,
• catheter,
• corn,
• screw_pin,
• steel_post,
• chair_legs,
• nail,
• physical_therapy,
• rectangle,
• latex,
• instrument-panel_bezel,
• polygon,
• limestone,
• garnet,
• metal_bucket,
• plastic_sheet,
• boat_propeller,
• plastic,
• weir,
• covered_road,
• fabric,
• bleach_bottle,
• polystyrene_ps,
• parquet_flooring,
• clorox_bottle,
• sand,
• polymeric_resin,
• ribose,
• portal_frame,
• stanchion,
• balsa,
• bran,
• palm,
• right_bronchus,
• knit,
• flat_acrylic,
• state_constitution,
• cylindrical_tube,
• pin,
• peptide_plane,
• rubber,
• channel_wall,
• foundation,
• travel_alarm,
• dense_polymer,
• pill_box,
• sapphire,
• linear_curve,
• bodkin,
• fence_post,
• floor,
• rigid_body,
• pavement,
• ground,
• arch,
• robot,
• platform,
• seal,
• plastic_box,
• tank,
• margarine_carton,
• metal_mesh,
• rigid_pvc,
• rigid_bulkhead,
• barrier,
• hands,
• flexible_thermoplastic,
• zeolite_framework,
• parquet,
• aluminum_sheet,
• plastic_pail,
• simple_translation,
• rigid_rod,
• corrugated_cardboard,
• truss,
• sheet,
• foam_board,
• clamshell,
• equation,
• wooden_stick,
• glass_sheet,
• instrument,
• character_motion,
• blue_board,
• catmint,
• aluminum_alloy,
• concrete_floor,
• syrinx,
• cork,
• nylon,
• silica_particle,
• cookie,
• protein,
• aluminum_base,
• bar_stock,
• abc_pillar,
• paper-clip_end,
• fish,
• gold,
• equipment_rack,
• skeleton,
• lightweight_roof,
• post,
• index_card,
• sidewalk,
• cardboard_packaging,
• glass_devices,
• cardboard,
• outrigger_beam,
• lightweight_metal,
• plastic_cup,
• table_inside,
• native_dna,
• computer_case,
• bone_graft,
• brick_surface,
• garbage,
• aluminum_nitride,
• polyester,
• porous_concrete,
• acrylic-resin_sheet,
• sand_bed,
• pebble_finish,
• ceiling_tile,
• matrix,
• alumina,
• various_alloy,
• silver,
• aromatic_polyamide,
• reusable_pail,
• breakwater,
• car_body,
• cinder-block_combine,
• sturdy_tripod,
• pipe_section,
• collapsible_bunk,
• bucket,
• collagen_matrix,
• adjusting_devices,
• bones_rib,
• rodlike_synthetic,
• gun,
• lock,
• pit,
• cranial_vault,
• canon_ball,
• masonite,
• metal_plate,
• aluminium_strip,
• glass_windows,
• wicker,
• comb,
• plexiglas,
• array,
• trunk,
• reinforced-concrete_building,
• concrete_ground,
• kidney_dish,
• desktop,
• sclera,
• curet,
• extracellular_matrix,
• hard_lacquer,
• staff,
• aircraft_wings,
• top,
• pyrite,
• canvas,
• oak_barrel,
• cement_curb,
• polyurethane,
• vial,
• steel_fiber,
• wooden_slat,
• dashboard,
• valve,
• vibrator,
• meat_tray,
• polypropylene,
• mica_plate,
• rod,
• si_wafer,
• x-ray,
• half_cast,
• wallboard,
• identity_document,
• aorta,
• breast_plate,
• tower,
• increase,
• bathroom_wall,
• plastic_material,
• tunnel,
• matt_board,
• tombstone,
• spinous_process,
• face,
• under_seat,
• vertebral_spine,
• glucose_ring,
• undercarriage,
• disk,
• ceramic_tile,
• bone,
• table,
• wire,
• needle,
• rock_face,
• bacteria,
• plate,
• long_bar,
• wire_mesh,
• iron,
• tennis-racket_frame,
• diffuser,
• dustbin,
• aromatic_polyester,
• crystalline_cellulose,
• hand,
• canister,
• acetal_resin,
• photo_mailer,
• fascia,
• dvd,
• rigid_wire,
• cardboard_sheet,
• milk_container,
• glass_beads,
• candle,
• solid_organs,
• hopper,
• plastic_cap,
• allen_key,
• ductile_iron,
• plastered_wall,
• drink_bottle,
• audio,
• cellulose-acetate_ca,