Modifiers matching gas:

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

Simple categories matching controlled:

• resource,
• substance,
• surface,
• compound,
• drug,
• equipment,
• fire,
• device,
• painkiller,
• site,
• environment,
• food,
• feature,
• land,
• machine,
• industry,
• machinery,
• precursor,
• display,
• disease,
• printer,
• medication,
• vehicle,
• facility,
• gas,
• area,
• object,
• heater,
• medicine,
• material,
• measure,
• block,
• force,
• installation,
• procedure,
• medium,
• unit,
• switching,
• stimulant,
• atmosphere,
• building,
• enclosure,
• network,
• toy,
• component,
• organisation,
• body,
• waste,
• failure,
• activity,
• vocabulary,
• document,
• aircraft,
• setting,
• apparatus,
• event,
• output,
• entity,
• actuator,
• narcotic,
• tool,
• source,
• situation,
• attribute,
• location,
• process,
• thing,
• illuminant,
• hardware,
• artifact,
• hull,
• system,
• action,
• valve,
• space,
• organization,
• trait,
• scanner,
• appliance,
• condition,
• commodity,
• charity,
• illumination,
• institution,
• pharmaceutical,