Simple categories matching flying:

• reptile,
• object,
• mount,
• system,
• insect,
• substance,
• creature,
• jewel,
• rock,
• bird,
• toy,
• expense,
• animal,
• device,
• command,
• craft,
• disc,
• particle,
• moth,
• training,
• bug,
• unit,
• character,
• predator,
• disk,
• track,
• material,
• pest,
• missile,
• prey,
• insectivore,
• condition,
• organism,
• debris,
• characteristic,
• event,
• contraption,
• area,
• thing,
• arthropod,
• species,
• serpent,
• means,
• seabird,
• beast,
• sign,
• hazard,
• giant,
• aircraft,
• structure,
• vertebrate,
• projectile,
• fauna,
• pet,
• vehicle,
• fowl,
• surface,
• raptor,
• machine,
• dinosaur,
• fragment,
• piece,
• article,
• mammal,
• activity,
• part,
• body,
• vessel,
• waterfowl,
• weather,
• organization,
• matter,
• instrument,

Members with property flying:

• motor_plane,
• ant,
• mosquito,
• hawk,
• bird,
• satellite,
• butterfly,
• moth,
• aerial_screw,
• tray,
• small_bat,
• migration_period,
• apollo_spacecraft,
• bat,
• thing,
• small_moth,
• mayfly_ephemeroptera,
• aerial_servant,
• dust,
• flying_ant,
• cone,
• dragonfly,
• leaf_hopper,
• nut,
• old_satellite,
• leafhopper,
• rain,
• wasp,
• black_eagle,
• starling,
• true_bug,
• swan,
• insect,
• millipede,
• beetle_moth,
• early_bird,
• aircraft_identification,
• snipe,
• yacht,
• blackfly,
• robot_mount,
• contest,
• damselfly,
• celestial_body,
• wyvern_rider,
• ladybug,
• balloon,
• molten_glass,
• beetle,
• toy,
• acrobatics,
• sawdust,
• vertebrate,
• spark,
• swallow,
• falling_branch,
• skua,
• exhibition,
• lovebird,
• blower_belt,
• dragon_harpoon,
• iron_particle,
• rabbit,
• hovering_craft,
• paper_rocket,
• shorebird,
• backyard,
• kestrel,
• martin,
• rifle_shell,
• nether_ray,
• basketball,
• silverfish,
• dust_particle,
• moving_cloud,
• back_yard,
• hopper,
• warbler,
• raptor,
• outdoor_furniture,
• giant_bat,
• songbird,
• research_balloon,
• aerial_ship,
• petrel,
• flying_squirrel,
• ball,
• glass,
• pac,
• killdeer,
• line_pull,
• pesky_helicopter,
• remote_plane,
• flying_lemur,
• psyllid,
• cinder,
• hummingbird,
• centipede,
• cockroach,
• conventional_aircraft,
• military_aircraft,
• training_command,
• waterfowl,
• grasshopper,
• cup,
• eagle,
• rigid_blimp,
• decoration,
• ease,
• stonefly_plecoptera,
• shell,
• locust,
• weevil,
• spacecraft,
• cockpit_lighting,
• shard,
• hornet,
• missile,
• ubiquitous_scaffolding,
• bumblebee,
• exotic_parrot,
• tufted_duck,
• regional_jet,
• jet_aircraft,
• instrument_training,
• midge,
• angel,
• tern,
• adult_whitefly,
• cabbage_looper,
• fly,
• biting_midge,
• ghost,
• squash-racquets_ball,
• rock,
• small_beetle,
• planthopper,
• fan_disc,
• scout_flyer,
• shelter,
• citrus_weevil,
• goose,
• toy_aircraft,
• low_cloud,
• jassid,
• flying_ship,
• standard_frisbee,
• woodcock,
• stick,
• spider,
• budgie,
• crow,
• road_debris,
• larger_insect,
• flying_saucer,
• microbat,
• nighthawk,
• tailplane,
• griffon,
• angel_flight,
• glider,
• mayfly,
• leaf-miner,
• demonstration,
• flying_lizard,
• tree_limb,
• lacewing,
• arthropod,
• wood,
• tie_fighter,
• pebble,
• paper_wads,
• leopard_moth,
• stabilizer,
• grain_weevil,
• pelican,
• racquetball,
• airship,
• small_grasshopper,
• throwing_disc,
• pylon_racing,
• whitefly,
• flying_rock,
• litter,
• frisbee,
• common_housefly,
• ejecting_shell,
• pilotless_aircraft,
• brick,
• cabbage_moth,
• hidden_stone,
• electric_fly,
• fish,
• flying_leopard,
• stork,
• toy_airplane,
• dipteran,
• transformable_mount,
• dove,
• airport_condition,
• particle,
• meteor,
• small_plane,
• animal,
• heron,
• cardinal,
• model_airplane,
• landing_fee,
• quoit,
• commercial_plane,
• roof,
• hot-air_balloon,
• tail_plane,
• dinosaur,
• ant_cockroach,
• longest_flight,
• snowy_owl,
• debris,
• explosion_particle,
• various_beetle,
• mite,
• sensitivity,
• rocket,
• greenfly,
• disc,
• housefly,
• falcon,
• gravel,
• drosophila,
• duck,
• antitank_missile,
• aphid,
• tree,
• training,
• pegasus_knight,
• chicken,
• space_debris,
• termite,
• small_park,
• artificial_satellite,
• vulture,
• pterosaur,
• branch,
• shining_tail,
• canaries,
• metal_fragment,
• grinding,
• giant_hawk,
• small_stonefly,
• propeller,
• airplane-landing_light,
• darkness,
• weather_balloon,
• park,
• sparrow,
• light_aircraft,
• cleg,
• monarch,
• spark_fumes,
• kite,
• pigeon,
• formation,
• fairy,
• animal_mount,
• wind_serpent,
• vehicle,
• aircraft,
• paper_plane,
• aileron,
• egret,
• cabbage_worm,
• ptarmigan,
• hail,
• unmanned_helicopter,
• fireball,
• wings,
• elevator,
• bengal_vulture,
• dragon,
• raven,
• projectile,
• handbag,
• swift,
• owl,
• toy_plane,
• camera,
• turbulence,
• jet,
• plastic,
• commission,
• fog,
• metal,
• leaf,
• biting_gnat,
• ladybird,
• bee,
• thrip,
• stonefly,
• storm,
• blimp,
• spinner,
• enemy_aircraft,
• passenger_jet,
• maintenance_test,
• aerobatics,
• altimeter,
• finch,
• parrot,
• hallucination,
• frisbee_disc,
• sky_ball,
• drake,
• test_aircraft,
• large_bird,
• caddis-fly,
• flying_insect,
• skateboard,
• airplane,
• aerial_photography,
• mortar_shell,
• engine_technology,
• bedbug,
• bow,
• utility,
• smaller_insect,
• baseball,
• food,
• indiana,
• pterodactyl,
• frost_protection,
• tick,
• honeybee,
• dirt,
• eagle_owl,
• small_helicopter,
• dish,
• robin,
• fragment,
• foot,
• sign,
• toy_helicopter,
• locusta,
• munition,
• buzzard,
• small_insect,
• unsecured_metal,
• archaeopteryx,
• lawn_ornament,
• plane,
• wire_rope,
• cicada,
• treehopper,
• fishing_trip,
• demon,
• lsd_trip,
• wool_fiber,
• bullet,
• precision_landing,
• hymenoptera,
• roach,
• kingfisher,
• carrot_fly,
• tool,
• orca,
• dirigible,
• helicopter,
• rudder,
• private_plane,
• albatross,
• robot,
• stone,
• part,
• absence,
• message_drop,
• butter_fly,
• torpedo_plane,
• breeding_times,
• louse,
• notepad,
• migratory_locust,
• rocket_plane,
• horsefly,
• nap,
• wind,
• slot,
• stone_fragment,
• flying_marsupial,
• camcorder,
• flying_balloon,
• broken_screw,
• windmill,
• coot,
• electronic_compass,
• flea,
• mirage,
• oilbird,
• katydid,
• airliner,
• comet,
• airplane_wing,
• fin,
• miller,
• magpie,
• rodent,
• sam,
• lemur,
• drone,
• aircraft_rental,
• book,
• moth_lepidoptera,
• harris_hawk,
• bustard,
• firework,
• sand,
• bug,
• splinters,
• gnat,
• skate_blade,
• thecodont,
• winter_fly,
• bomber_command,
• small_stone,