Simple categories matching narrow:

• object,
• activity,
• mattress,
• table,
• fabric,
• surface,
• aperture,
• part,
• slit,
• access,
• area,
• channel,
• road,
• item,
• construction,
• orifice,
• basin,
• courtyard,
• waterway,
• issue,
• obstacle,
• extremity,
• current,
• passage,
• space,
• passageway,
• instrument,
• product,
• opening,
• box,
• textile,
• molecule,
• jar,
• jet,
• door,
• vessel,
• tool,
• hole,
• position,
• strap,
• container,
• tissue,
• missile,
• article,
• feature,
• glass,
• equipment,
• panel,
• region,
• alignment,
• lake,
• street,
• wheelchair,
• leaf,
• distribution,
• topic,
• gap,
• framework,
• edge,
• portion,
• room,
• strait,
• place,
• substrate,
• floor,
• device,
• structure,
• elastic,
• stuff,
• craft,
• body,
• subject,
• accessory,
• directivity,
• loom,
• strip,
• lane,
• section,
• tube,
• material,
• boat,
• path,
• group,
• corridor,
• food,
• compartment,
• ware,
• kayak,
• entry,
• receptacle,
• implement,
• blade,
• band,
• difference,
• pore,
• watercourse,
• shape,
• piece,
• dust,
• location,
• pavement,

Members with property narrow:

• screwdriver,
• vertical_slot,
• tape,
• stair_tread,
• tubing,
• pencil,
• injury_level,
• sport,
• table_leg,
• webbing_belt,
• belt,
• production_tubing,
• railing,
• sculling_shell,
• ribbon,
• belting,
• store_aisle,
• needle_loom,
• tree,
• parting_face,
• behind_component,
• spoon,
• beam,
• steel_rod,
• webbing,
• tigris_valley,
• pole,
• hair,
• suburban_area,
• conventional_doorway,
• crib_mattress,
• pin,
• arm_pit,
• strap,
• jefferson_street,
• sign,
• yarn,
• strategy,
• finger,
• olive_jar,
• sign_support,
• elastic_web,
• elastic_band,
• lower_hall,
• area,
• ridge,
• elastic_strand,
• roads,
• fence,
• tooth_pick,
• rod,
• small_cucumber,
• limb,
• bottle,
• legging,
• cortical_area,
• ethics,
• furnace,
• log_frame,
• pendant,
• post,
• narrow_box,
• light_support,
• ladder_rung,
• x-ray_cassette,
• creek,
• mucosal_fold,
• hand,
• tube,
• window_sills,
• entry_area,
• corona_avenue,
• trail,
• artery,
• flanking_garage,
• drink_stirrer,
• barricade_tape,
• counter_top,
• plume,
• needle,
• plastic_cup,
• box,
• mailbox_post,
• train_schedule,
• speech_recognition,
• pier,
• keyhole,
• chair_legs,
• behind,
• sidewalk,
• nail,
• short_lumber,
• holdup_stocking,
• slit,
• banding,
• lamp_post,
• window_track,
• toe,
• york_river,
• neck,
• beaker,
• femoral_artery,
• capillary,
• aristocracy,
• leaf_edge,
• current_sheet,
• shrimp_fork,
• stocking,
• tightrope,
• hair_dust,
• larger_product,
• chisel,
• spike,
• bioethics,
• wooden_shutter,
• tooth_neck,
• belt_bandolier,
• ladder,
• galley,
• pen,
• cable,
• shoe_box,
• firearm,
• shovel,
• rat_tail,
• strand,
• wind,
• railing_spindle,
• door_frame,
• frame,
• linear_feature,
• ballpoint_pen,
• train_timetable,
• individual_picket,
• narrow_aperture,
• light,
• valve,
• string,
• chains,
• plane,
• thread,
• sea_kayak,
• window,
• istanbul_channel,
• column,
• personnel_action,
• under_windows,
• rail_yard,
• lamp_stem,
• power_pole,
• woman,
• thin_branch,
• narrow_road,
• tie,
• pipeline,
• spaghetti_strap,
• narrow_tube,
• sport_team,
• company,
• support_pillar,
• collins_glass,
• dirt_roads,
• pathway,
• cane,
• boss,
• stream,
• baseball_statistics,
• nylon_cord,
• city,
• spray_nozzle,
• hook,
• employment_impact,
• potato,
• sporting_statistics,
• image_sensor,
• trellis,
• scarf,
• decorative_tape,
• roof,
• narrow_vase,
• ant_farm,
• suspension,
• distal_box,
• cup,
• internal_organs,
• shear_blade,
• chimney,
• supermarket_aisle,
• valence_panel,
• duct,
• hole,
• key,
• small_zucchini,
• matchstick,
• seatbelt,
• bridge,
• kayak,
• ballpoint,
• pull_wire,
• vertebral_artery,
• gate,
• light_pole,
• texture,
• indoor_area,
• security_change,
• natural_obstruction,
• narrow_sidewalk,
• river_mouth,
• line,
• gun,
• access,
• zipper_tab,
• aisle,
• sconce,
• whip_antenna,
• pore,
• razor_slit,
• estuary,
• road,
• collimator_slit,
• narrow_street,
• strait,
• nose,
• alley,
• bar,
• pipe,
• stair_surface,
• culvert,
• longbow,
• hood_canal,
• project_design,
• microbial_culture,
• big_stream,
• medium_control,
• dna_chains,
• narrow_hallway,
• web,
• door,
• petroleum,
• curb,
• small_garden,
• body_image,
• shoelace,
• satin_ribbon,
• bottle_neck,
• stringer,
• girder,
• structural_beam,
• chisel_blade,
• filter_pore,
• production_planning,
• nylon_webbing,
• boat_lane,
• corridor,
• allen_key,
• vase,
• arms,
• similar_tool,
• small_pipe,
• stairs,
• brow_band,
• parking-meter_pole,
• air_vent,
• lumber,
• broom,
• bra_strap,
• legs,
• untrimmed_fish,
• land_drain,
• waistband,
• rifle,
• astronomy,
• airline_aisle,
• shotgun,
• barber_alley,
• groin_region,
• rectangular_panel,
• moccasin_lapel,
• stair,
• american_idol,
• stem,
• salmon_ladder,
• attack,
• harvey_street,
• face,
• overhead_wire,
• carrot,
• carpet_cutter,
• utility_pole,
• energy_use,
• sport_trim,
• narrow_pitcher,
• rope,
• conifer_needle,
• patient_finger,
• mirror_strip,
• corner,
• aperture_antenna,
• runway,
• body,
• oxygen_band,
• reception,
• bowl,
• open_boat,
• border,
• yule_entrance,
• rain_gutter,
• nasal_cannula,
• denatured_protein,
• blunt_needle,
• cord,
• sewer,
• fold,
• hotdog,
• byway,
• union_representation,
• pain_control,
• extraction_column,
• beads,
• human_hair,
• sheet,
• brush,
• malacca_strait,
• athletic_scholarship,
• porthole,
• framework,
• small_tree,
• leaf_tip,
• waterfall,
• thermos,
• pipe_space,
• closed_fan,
• small_knife,
• reed,
• res_tape,
• thin_rod,
• screw,
• fissure,
• gap,
• print_head,
• tool_handle,
• coat_front,
• indoor_corner,
• lawn-chair_webbing,
• stairway,
• lake,
• truck,
• tax_impact,
• blood,
• jungle_trail,
• ferret,
• basin,
• corridor_fire,
• inlet_channel,
• boundary_layer,
• thin_pipe,
• toothpick,
• loch,
• match,
• military_leaders,
• defense,
• kohl_tube,
• wire,
• arrow,
• edge,
• pelvis_area,
• metal_surface,
• computer_design,
• sheet_steel,
• behind_seat,
• bra_tape,
• small_room,
• banister,
• burette,
• binding,
• office_room,
• state,
• branch,
• bracelet,
• alleyway,
• thin_fiber,
• loop,
• straw,
• trimming_elastic,
• jug,
• nowhere_road,
• ornamental_trim,
• moss_street,
• head,
• lanyard,
• bag_belt,
• pickle_fork,
• staircase_tread,
• pine_needle,
• catheter,
• petiole,
• city_lot,
• reception_area,
• railroad,
• glasses,
• celery,
• rib,
• fence_gates,
• lamp,
• wall_corner,
• nut_pick,
• ditch,
• antenna,
• shelf,
• mother,
• president_street,
• armband_beads,
• bumper,
• truss,
• doorway,
• private_office,
• canoe,
• regional_city,
• paperclip,
• chair_leg,
• gaussian_distribution,
• air-conditioner_vent,
• zipper_tape,
• urethra,
• kuroshio,
• thin_scratch,
• mast,
• arc,
• union_right,
• tomato,
• pen_tip,
• picket,
• ankle,
• nuclear_physics,
• church_drive,
• filler_panel,
• insulting_family,
• under_bed,
• braid,
• chair,
• english_channel,
• civil_right,
• hallway,
• wave,
• space_inside,
• bicycle_path,
• courtyard,
• fencing,
• push,
• concrete_wall,
• narrow_slit,
• airplane_aisle,
• blunt_end,
• elastic_tape,
• elastic,
• cusp,
• leather_strap,
• picture_box,
• scholarship,
• rain_band,
• rail,
• tread,
• education,
• river,
• geographic_dimension,
• push_release,
• canyon,
• binding_tape,
• gun_right,
• calf,
• pit,
• bus,
• curtain_rod,
• tobacco,
• whip,
• clinical_evidence,
• parapet,
• vent,
• design,
• knee,
• boarding_chair,
• filament,
• lamppost,
• hall,
• bullet,
• blender_jar,
• girdle,
• heat-exchanger_plate,
• nutrition,
• pin_hole,
• additional_firearm,
• ski,
• dairy_producer,
• color,
• coke_bottle,
• trim,
• condom_use,
• band,
• sport_statistics,
• audit_position,
• pen_point,
• vein,
• chisel_spike,
• sound,
• silk,
• connector,
• steps,
• veneer_door,
• bike_path,
• fjord,
• wall,
• behind_cistern,
• liter_bottle,
• gates,
• back_road,
• sharp_edge,
• juice_glass,
• city_street,
• knife,
• sofa_table,
• paved_roads,
• cords,
• fork,
• pencil_point,
• intercellular_space,
• panel,
• woven_tape,
• fiber_element,
• wand,
• cucumber,
• tax_limitation,
• public-works_project,
• culture,
• blueprint,
• baby_bottle,
• hand_hole,
• molding,
• coronary_vessel,
• danish_strait,
• shoebox,
• letters,
• apartment_door,
• windows,
• rug,
• hose,
• canal,
• bridge_pier,
• tunnel,
• inside_restaurant,
• dame_street,