Modifiers matching gas:

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

Simple categories matching cheap:

• metal,
• material,
• carbohydrate,
• feed,
• drug,
• bag,
• pesticide,
• shop,
• vegetable,
• cereal,
• protein,
• filler,
• thing,
• item,
• dilutant,
• fuel,
• ingredient,
• starches,
• antibiotic,
• saccharide,
• device,
• component,
• preservative,
• electricity,
• weapon,
• sugar,
• substrate,
• place,
• food,
• meal,
• fabric,
• oil,
• paper,
• watch,
• merchandise,
• polymer,
• glass,
• fruit,
• resource,
• hydrocarbon,
• source,
• staple,
• equipment,
• measure,
• foodstuff,
• catalyst,
• pet,
• gas,
• souvenir,
• stuff,
• flower,
• grain,
• instrument,
• chemical,
• decoration,
• waste,
• part,
• print,
• fiber,
• import,
• meat,
• insecticide,
• papers,
• object,
• polysaccharide,
• conductor,
• jewellery,
• oligosaccharide,
• toiletry,
• commodity,
• substance,
• product,
• unit,
• energy,
• hotel,
• matter,
• solvent,
• hydrocolloid,
• spirits,
• propellant,
• mineral,
• compound,
• residue,
• container,
• peripheral,
• dish,
• fibre,
• carrier,
• liquid,