Simple categories matching airborne:

• seed,
• insect,
• particle,
• contaminant,
• bacteria,
• event,
• component,
• platform,
• microorganism,
• pollution,
• conveyance,
• disease,
• armament,
• unit,
• substance,
• vehicle,
• particulate,
• impurity,
• sensor,
• sound,
• creature,
• illness,
• contagion,
• predator,
• item,
• allergen,
• condition,
• feeder,
• image,
• prey,
• trauma,
• pollutant,
• compound,
• agent,
• animal,
• infection,
• dust,
• material,
• object,
• fiber,
• contamination,
• system,
• organism,
• chemical,
• germ,
• matter,
• aldehyde,
• toy,
• device,
• virus,
• pest,
• waste,
• craft,
• pm,
• metal,
• bug,
• gas,
• pathogen,
• constituent,
• hydrocarbon,
• abrasive,
• thing,
• vessel,
• medium,
• debris,
• hazard,
• aerosol,

Members with property airborne:

• mold,
• radar_altimeter,
• dust,
• toxin,
• dengue,
• amide,
• dirt,
• smoke,
• aerosol,
• bacteria,
• parvo,
• tuberculosis_tb,
• boric_acid,
• peroxide,
• tb,
• textile_dust,
• lint,
• ball,
• birch_seed,
• clothing_fiber,
• late_blight,
• petrol_fumes,
• gas,
• route_design,
• nasa,
• tea,
• fumes,
• virus,
• store_separation,
• sciarid,
• fumigant,
• indoor_mold,
• flea,
• abrasive_particle,
• pulmonary_tuberculosis,
• lead,
• windblown_dust,
• respiratory_virus,
• traffic_fumes,
• animal_fur,
• particulate_contaminant,
• vapour,
• rubeola,
• soil,
• grasshopper,
• kite,
• acetaldehyde,
• navigation_system,
• cold,
• freon,
• protozoa,
• trachoma,
• nickel,
• grass,
• process_compound,
• dust_particle,
• airborne_bacteria,
• helicopter,
• raptor,
• rain,
• solvent_fumes,
• cloud,
• copper,
• asbestos_dust,
• oxygen,
• paper_dust,
• midge,
• chromium,
• np,
• active_tb,
• chemical_fumes,
• blackfly,
• floating_dust,
• leaf,
• salt_water,
• eagle,
• cu,
• enemy_missile,
• bactericide,
• spark,
• co2,
• paint_fumes,
• impact_sound,
• seed,
• amine,
• fighter,
• litter,
• snow,
• industrial_dust,
• benzene,
• grass_clipping,
• carbon,
• combustible_fumes,
• mycobacterium,
• carbon_dust,
• biological_pathogen,
• martin,
• spray_fixative,
• infectious_agent,
• co,
• influenza_virus,
• propanal,
• airborne_silica,
• tree_allergen,
• blimp,
• bronchiolitis,
• fine_dust,
• listeria,
• silicone,
• cresol,
• varicella,
• sawdust,
• voice,
• cigarette,
• unmanned_drone,
• excrement,
• road_debris,
• metal_dust,
• industrial_particle,
• nitrogen-oxide_no,
• balloon,
• tar,
• projectile,
• pollutant_particle,
• butterfly,
• asthma,
• biogenic_ammonia,
• meningitis,
• vinyl_chloride,
• cat,
• dust_mold,
• lead_paint,
• rocket,
• egret,
• sand_grain,
• beryllium_oxide,
• polio,
• mold_fungi,
• smoke_emission,
• odor_coffee,
• satellite,
• manganese,
• grit,
• sulphate,
• road_fumes,
• microorganism,
• toner_powder,
• sars_virus,
• surveillance_radar,
• chemical_dust,
• typhoid,
• cottonseed,
• cat_flu,
• aircraft_drone,
• reconnaissance_drone,
• oil,
• latex_allergen,
• skin,
• sars,
• methane,
• bird_feather,
• tuberculosis_bacteria,
• agricultural_dust,
• dryer_lint,
• perfume,
• rock_dust,
• sulphide,
• natural_dust,
• dry_skin,
• organic_molecule,
• viral_meningitis,
• sulfate,
• acetone,
• missile_stage,
• bird_droppings,
• sarin,
• calcareous_dust,
• airplane,
• organic_amine,
• acoustic,
• particle_size,
• flu_virus,
• traffic_noise,
• chlorine,
• glider,
• paint_spray,
• diphtheria,
• radioactive_dust,
• pneumonia,
• cancer,
• jet,
• airborne_division,
• ozone,
• music,
• mechanism,
• fur,
• pollen_allergen,
• octane,
• bronchitis,
• errant_rock,
• second-hand_smoke,
• arsenic,
• rotavirus,
• sickness_bug,
• common_cold,
• mosquito,
• respiratory_tuberculosis,
• rock,
• water,
• cockroach_allergen,
• pvc,
• wood,
• spray_adhesive,
• acid_gas,
• aircraft_cannon,
• wood_resin,
• pollen,
• free_silica,
• zn,
• weeds,
• asbestos_fiber,
• cleaners,
• building_stone,
• industrial_effluent,
• lidar_detection,
• radar,
• diesel_fumes,
• secondhand_smoke,
• smoke_particle,
• malaria,
• cigarette_smoke,
• harmful_dust,
• bird_flu,
• paint_particle,
• pesticide,
• chloride_salt,
• rubella,
• various_dust,
• gnat,
• legionnaire_disease,
• heavy_dust,
• plasticizer_fumes,
• lidar,
• homing_pigeon,
• owl,
• mildew,
• pneumococcus,
• protease,
• plane,
• nicotine,
• actinomycete,
• hydrogen_sulphide,
• mist,
• sea_salt,
• combustible_gas,
• germ,
• acid,
• chemical,
• hail,
• blast_fumes,
• dioxin,
• fo,
• debris,
• no,
• alkane,
• metal,
• various_fiber,
• silica_dust,
• lighting_stroke,
• chemical_vapors,
• propionaldehyde,
• formaldehyde,
• glass_cleaner,
• cold_virus,
• gaseous_contamination,
• fluoride,
• certain_strain,
• phenol,
• household_dust,
• bacterial_product,
• industrial_pollution,
• lunar_dust,
• office_chemical,
• gps,
• pyrotechnic_display,
• mumps,
• aerosol_spray,
• protein,
• video,
• carryall,
• fabric_fiber,
• fungal_pathogen,
• pb,
• legionella_bacteria,
• gravel,
• vapors,
• cooking_smoke,
• airship,
• staphylococcus,
• drywall_dust,
• environmental_pollutant,
• dust_mite,
• hiv,
• fertiliser_spray,
• particle,
• tobacco_dust,
• anthrax,
• tire_rubber,
• ash,
• iron_hydroxide,
• drone,
• cholera,
• cyanide,
• hydrocarbon,
• salmonella,
• song,
• combustion_pollutant,
• aircraft-engine_controller,
• solid_particle,
• lotion,
• paint,
• insect,
• waste_water,
• staph,
• cricket,
• fiber,
• feather,
• cement_dust,
• chickenpox,
• wood_dust,
• barium,
• cadmium,
• coke_dust,
• cotton_dust,
• insecticide,
• legionella,
• fm,
• hospital_superbug,
• orbiting_satellite,
• ricin,
• carpet_cleaner,
• americium,
• pertussis,
• transport_airplane,
• microwave_scanner,
• papilloma_virus,
• heavy_molecule,
• fungicide,
• pollen_grain,
• blowing_sand,
• aluminum,
• ballistic_missile,
• pollutant,
• metal_fumes,
• hepatitis-b_virus,
• soil_dust,
• road_spray,
• yeast,
• silica,
• waterborne_contaminant,
• small_sand,
• long_section,
• radar_cooling,
• spray,
• light_infantry,
• insulation_fiber,
• hydrogen-sulfide_gas,
• vocal_noise,
• rodeo_roping,
• bird,
• weed,
• microbial_toxin,
• wind_noise,
• loud_music,
• typhus,
• respiratory_infection,
• asbestos,
• biological_hazard,
• tobacco,
• cement,
• moth,
• soil_factor,
• radon_gas,
• harpy,
• silver,
• silicosis,
• laser_radar,
• avian_influenza,
• tobacco_smoke,
• volcanic_ash,
• toluene,
• cottonwood_seed,
• tabun,
• certain_grass,
• butene,
• bomb,
• hair,
• pathogen,
• pollutant_gas,
• fallout,
• zinc,
• mercury,
• sand,
• salt,
• flu,
• transition_metal,
• industrial_fumes,
• plutonium,
• biological_particle,
• smallpox,
• uranium,
• pulmonary_aspergillosis,
• lacquer,
• measles,
• vapours,
• road_dust,
• soot,
• complex_gas,
• grease,
• particulate_matter,
• kiln_dust,
• trichloroethylene,
• missile_seeker,
• radioactive_material,
• frisbee,
• reentry_vehicle,
• dolomite,
• avian_flu,
• light_plane,
• beryllium,
• dirigible,
• radium,
• flying_debris,
• allergen,
• toxic_gas,
• asbestos_particle,
• harmful_gas,
• leaf_particle,
• limestone,
• chicken_pox,
• fine_particle,
• bat,
• aircraft,
• caustic_gas,
• jet_aircraft,
• radar_system,
• organic_material,
• aeroplane,
• pigment,
• vapor,
• influenza,
• john_ward,
• hawk,
• don-quixote_race,
• nitrous_oxide,
• tuberculosis,
• aromatic_hydrocarbon,
• distemper,
• ore_dust,
• coal_dust,
• volatile_compound,
• fungi,
• missile,
• animal_allergen,
• waste,
• cat_allergen,
• fine_ash,
• ammonia,
• particulate,
• dragonfly,
• concrete_dust,