Modifiers matching gas:

• unwanted,
• rare,
• warming,
• inert,
• oxidative,
• noble,
• extraneous,
• airborne,
• popular,
• liquefied,
• secondary,
• anthropogenic,
• tenuous,
• combustible,
• pure,
• raw,
• benign,
• saturated,
• ionic,
• heated,
• deadly,
• particular,
• inexpensive,
• artificial,
• industrial,
• explosive,
• hydrophobic,
• flammable,
• commercial,
• number,
• scientific,
• toxic,
• dry,
• medium,
• reactive,
• basic,
• single,
• diamagnetic,
• under,
• mixed,
• noxious,
• model,
• additional,
• polar,
• diatomic,
• volatile,
• synthetic,
• vital,
• safe,
• off,
• soluble,
• identifiable,
• miscellaneous,
• chemical,
• consumable,
• surrounding,
• hot,
• thin,
• fixed,
• simple,
• working,
• external,
• heavy,
• rich,
• injurious,
• ordinary,
• inflammable,
• aggressive,
• incombustible,
• propellant,
• incoming,
• monatomic,
• nonflammable,
• manufactured,
• refrigerant,
• suitable,
• abundant,
• relativistic,
• medical,
• floating,
• acidic,
• corrosive,
• mobile,
• oxidizable,
• metal,
• electropositive,
• protective,
• harmful,
• controlled,
• complex,
• insoluble,
• detrimental,
• irritating,
• unique,
• strong,
• buoyant,
• base,
• elemental,
• residual,
• desirable,
• beneficial,
• stable,
• dusty,
• critical,
• metabolic,
• moving,
• obnoxious,
• invisible,
• small,
• frozen,
• unstable,
• dense,
• convenient,
• dilute,
• diffusing,
• valuable,
• cryogenic,
• compressible,
• common,
• biogenic,
• minor,
• respiratory,
• atmospheric,
• hazardous,
• conventional,
• light,
• automotive,
• faster,
• radioactive,
• real,
• undesirable,
• cheap,
• standard,
• warm,
• harmless,
• traditional,
• paramagnetic,
• carbonaceous,
• damaging,
• auxiliary,
• important,
• atomic,
• foreign,
• inorganic,
• transparent,
• sulfurous,
• impure,
• unsaturated,
• major,
• natural,
• special,
• supportive,
• lightweight,
• monoatomic,
• fast,
• indoor,
• hydrophilic,
• alkaline,
• lighter,
• divalent,
• interfering,
• nontoxic,
• out,
• suffocating,
• supporting,
• starting,
• deleterious,
• edible,
• permanent,
• poisonous,
• environmental,
• malodorous,
• cold,
• carcinogenic,
• compressed,
• mental,
• weak,
• innocuous,
• supplemental,
• technical,
• dangerous,
• rarefied,
• luminous,
• ambient,
• key,
• organic,
• individual,
• ignitable,
• separate,
• vesicant,
• conductive,
• active,
• heavier,
• liquified,
• familiar,
• expensive,
• classical,
• clean,
• molecular,
• noncombustible,
• useful,
• acid,
• medicinal,
• electronegative,
• dissolved,
• supercritical,
• nonpolar,
• refrigerated,
• essential,
• liquid,
• passive,
• relevant,
• malign,
• absorptive,
• neutral,
• available,

Simple categories matching damaging:

• event,
• family,
• substance,
• medium,
• impurity,
• behaviour,
• business,
• insect,
• disorder,
• radical,
• agent,
• defect,
• activity,
• condition,
• fluid,
• fastener,
• procedure,
• problem,
• deposit,
• area,
• microbe,
• particle,
• use,
• bacteria,
• salt,
• material,
• storm,
• stimulus,
• measure,
• elements,
• crime,
• marketing,
• pest,
• ingredient,
• gas,
• practice,
• narcotic,
• move,
• item,
• molecule,
• metal,
• incident,
• macromolecule,
• idea,
• code,
• equipment,
• constituent,
• compound,
• protein,
• industry,
• weather,
• occurrence,
• treatment,
• organism,
• contaminant,
• attachment,
• structure,
• conductor,
• instrument,
• bug,
• blemish,
• abrasive,
• illness,
• part,
• building,
• intermediate,
• plant,
• chemical,
• response,
• propellant,
• process,
• content,
• fuel,
• programme,
• lacquer,
• program,
• pollutant,
• precipitation,
• tissue,
• operations,
• therapy,
• action,
• offence,
• object,
• behavior,
• drug,
• component,
• solvent,
• thing,
• property,
• pesticide,
• disease,
• situation,
• phenomenon,
• surface,
• influence,
• hazard,
• enzyme,
• software,
• windstorm,
• weapon,
• debris,
• force,
• emotion,
• microorganism,