Simple categories matching flying:

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

Members with property flying:

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