Modifiers matching gas:

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

Simple categories matching pure:

• entertainment,
• theory,
• extract,
• material,
• metal,
• commodity,
• emotion,
• gas,
• quality,
• compound,
• item,
• system,
• wool,
• substance,
• concept,
• thing,
• arts,
• biology,
• powder,
• contaminant,
• entity,
• precipitate,
• semiconductor,
• form,
• activity,
• smell,
• food,
• mineral,
• feeling,
• phenol,
• science,
• drink,
• matter,
• alpha-blocker,
• chemistry,
• product,
• cathode,
• essence,
• information,
• fabrication,
• fat,
• water,
• crystal,
• protein,
• sound,
• enjoyment,
• propellent,
• discipline,
• tradition,
• carbide,
• polysaccharide,
• manure,
• oxide,
• carbohydrate,
• set,
• gem,
• object,
• content,
• hydrogen,
• analgesic,
• necessity,
• sugar,
• odour,
• spirits,
• shape,
• clay,
• halide,
• motivation,
• fibre,
• hydrocarbon,
• abstraction,
• silver,
• economics,
• whimsy,
• nitride,
• liquid,
• idea,
• alkane,
• narcotic,
• source,
• proteinase,
• nut,
• solvent,
• chemical,
• speech,
• oil,
• fuel,
• sorbent,
• antipyretic,
• solid,
• translation,
• flavoring,
• monosaccharide,
• mind,
• element,
• color,
• molecule,
• surface,
• study,
• fluid,
• enzyme,
• worship,
• computation,
• preparation,
• connection,
• cluster,
• analysis,
• notion,
• disaccharide,
• dielectric,
• alcohol,
• component,
• ore,
• placebo,
• complaint,
• butter,
• fertilizer,
• art,
• disorder,
• toxemia,
• plant,
• fiber,
• state,
• opiate,
• halogen,
• drug,
• atmosphere,
• herb,
• elements,
• soul,
• carotenoid,
• waste,
• salt,
• oxygen,
• substrate,
• phase,
• agonist,
• glass,
• meat,
• carbon,
• textile,
• ingredient,
• bread,
• subject,
• starch,
• fruit,
• fabric,
• pt,
• nutrient,
• conductor,
• dish,
• mathematics,