Modifiers matching gas:

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

Simple categories matching lightweight:

• wood,
• wall,
• element,
• material,
• item,
• plate,
• glasses,
• fabric,
• article,
• abrasive,
• sign,
• object,
• gas,
• equipment,
• mineral,
• fluid,
• foam,
• aggregate,
• assembly,
• fixture,
• lense,
• sled,
• clothes,
• firearm,
• metal,
• sword,
• clothing,
• system,
• garment,
• structure,
• computer,
• yarn,
• ball,
• device,
• ingredient,
• part,
• support,
• weapon,
• blanket,
• food,
• compound,
• unit,
• cleaner,
• trailer,
• filler,
• impurity,
• construction,
• atom,
• blade,
• particle,
• silks,
• hardware,
• substrate,
• transport,
• textile,
• elements,
• decoration,
• tie,
• apparel,
• creation,
• battery,
• furniture,
• utensil,
• medium,
• cloth,
• plastic,
• component,
• cotton,
• box,
• implement,
• waste,
• vest,
• soil,
• debris,
• rock,
• surface,
• outerwear,
• rammer,
• paper,
• hat,
• head,
• vehicle,
• product,
• tool,
• packing,
• tire,
• undergarment,
• string,
• beads,
• web,
• strand,
• parcel,
• oil,
• alloy,
• thing,
• covering,
• building,
• leather,
• molecule,
• contaminant,
• papers,
• mail,
• shoes,
• issue,
• weaponry,
• bird,
• helmet,
• substance,
• container,
• matter,
• application,
• chains,
• framework,
• fibre,
• commodity,