Modifiers matching gas:

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

Simple categories matching poisonous:

• substance,
• metal,
• beverage,
• fumes,
• pesticide,
• food,
• part,
• mineral,
• material,
• intoxicant,
• creature,
• houseplant,
• agent,
• animal,
• reactant,
• tree,
• plant,
• fish,
• contaminant,
• arthropod,
• adhesive,
• compound,
• herb,
• petrochemical,
• waste,
• gas,
• thing,
• fluid,
• reptile,
• chemical,
• snake,
• matter,
• component,
• drug,
• serpent,
• acid,
• spider,
• insect,
• intermediate,
• shrub,
• prey,
• vermin,
• wood,
• nature,
• stuff,
• solvent,
• species,
• liquid,
• spray,
• salt,
• genus,
• item,
• product,
• alkaloid,
• corrosive,
• emanation,
• invertebrate,
• cofactor,
• organism,