Modifiers matching gas:

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

Simple categories matching supplemental:

• food,
• information,
• book,
• magazine,
• medication,
• applicator,
• agent,
• assistance,
• assay,
• coverage,
• stuff,
• material,
• item,
• stimulus,
• feed,
• document,
• support,
• system,
• activity,
• procedure,
• product,
• gas,
• component,
• measure,
• nutrition,
• investigation,
• particulate,
• practice,
• vertebrate,
• means,
• instruction,
• sweetener,
• binder,
• vitamin,
• section,
• tool,
• program,
• work,
• expense,
• database,
• curriculum,
• mineral,
• fiber,
• industry,
• forage,
• source,
• fuel,
• nutrient,
• file,
• text,
• criterion,
• equipment,
• content,
• service,
• testing,