Modifiers matching matter:

• cold,
• foreign,
• gaseous,
• national,
• organic,
• contemporary,
• cellular,
• siliceous,
• abrasive,
• suspended,
• aqueous,
• factual,
• inorganic,
• particulate,
• ephemeral,
• complicated,
• disordered,
• friable,
• solid,
• rocky,
• strange,
• colloidal,
• extraneous,
• acidic,
• written,
• fluent,
• external,
• dry,
• superficial,
• dense,
• fossil,
• floating,
• ethical,
• illegal,
• authentic,
• specified,
• natural,
• level,
• aesthetic,
• carbonaceous,
• recyclable,
• dark,
• tangible,
• harmless,
• formal,
• nonmetallic,
• resinous,
• mundane,
• secular,
• vital,
• central,
• trivial,
• lifeless,
• cultural,
• diverse,
• naval,
• continuous,
• civil,
• minute,
• discrete,
• large,
• common,
• pliable,
• critical,
• persistent,
• lightweight,
• varied,
• delicate,
• undesirable,
• military,
• semisolid,
• universal,
• theological,
• flocculent,
• vegetative,
• worldly,
• small,
• territorial,
• public,
• normal,
• historical,
• oily,
• precise,
• productive,
• operational,
• macroscopic,
• terrestrial,
• hard,
• detailed,
• extraordinary,
• special,
• geographical,
• soluble,
• unclean,
• thermoplastic,
• valuable,
• clean,
• technical,
• regulatory,
• visible,
• loose,
• religious,
• unimportant,
• fresh,
• over,
• concerned,
• timeless,
• heterogeneous,
• concrete,
• larger,
• official,
• animal,
• airborne,
• harmful,
• amorphous,
• procedural,
• opaque,
• chronic,
• scientific,
• architectural,
• commercial,
• perishable,
• poisonous,
• medical,
• invisible,
• technological,
• luminous,
• soft,
• fundamental,
• world,
• flammable,
• biologic,
• rough,
• meteoric,
• emotive,
• meaningful,
• alkaline,
• spiritual,
• powdery,
• substantive,
• important,
• constitutional,
• essential,
• organized,
• raw,
• fat,
• occult,
• everyday,
• woody,
• binding,
• affective,
• impersonal,
• political,
• dangerous,
• nutritious,
• inanimate,
• heavy,
• nitrogenous,
• fine,
• moist,
• personal,
• urgent,
• greasy,
• hazardous,
• stable,
• general,
• conversational,
• internal,
• transparent,
• plastic,
• miscellaneous,
• toxic,
• sensitive,
• immaterial,
• elemental,
• inert,
• difficult,
• unwanted,
• esoteric,
• contractual,
• fibrous,
• absorbent,
• liquid,
• mechanical,
• cheap,
• neurological,
• deleterious,
• abstract,
• literary,
• youthful,
• basic,
• real,
• gritty,
• moving,
• noncrystalline,
• interesting,
• sexual,
• local,
• coarse,
• nonoperational,
• atomic,
• interior,
• brown,
• male,
• noble,
• sedimentary,
• light,
• adult,
• polymeric,
• ordinary,
• volatile,
• innocuous,
• private,
• non-organic,
• crystalline,
• modern,
• frozen,
• new,
• dried,
• wet,
• fecal,
• peripheral,
• shiny,
• moral,
• routine,
• supervisory,
• metallic,
• intimate,
• colored,
• gross,
• indigestible,
• practical,
• damp,
• chemical,
• nonliving,
• impermeable,
• crucial,
• fatty,
• disciplinary,
• domestic,
• relevant,
• unavoidable,
• conductive,
• economic,
• active,
• simple,
• minor,
• secondary,
• symbolic,
• organizational,
• bulky,
• digestive,
• up,
• residential,
• exotic,
• outside,
• educational,
• traditional,
• horizontal,
• corporate,
• worthless,
• out,
• sweet,
• informational,
• thick,
• calcareous,
• contentious,
• textured,
• complex,
• emotional,
• sophisticated,
• nutrient,
• professional,
• primary,
• noncombustible,
• combustible,
• corrosive,
• financial,
• earthy,
• judicial,
• precious,
• beneficial,
• criminal,
• functional,
• bright,
• similar,
• insignificant,
• refractory,
• discarded,
• granular,
• administrative,
• geological,
• dissolved,
• unrelated,
• physiological,
• dead,
• philosophical,
• biological,
• specialized,
• astronomical,
• particular,
• dirty,
• sacred,
• serious,
• viscous,
• physical,
• pure,
• clinical,
• related,
• mental,
• unstable,
• durable,
• academic,
• charged,
• insoluble,
• ancillary,
• strategic,
• quantitative,
• environmental,
• detrimental,
• rigid,
• social,
• unyielding,
• rich,
• qualitative,
• deep,
• flying,
• legal,
• magnetic,
• subjective,

Simple categories matching airborne:

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