Modifiers matching gas:

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

Simple categories matching classical:

• discipline,
• instrument,
• form,
• mechanics,
• result,
• drum,
• philosophy,
• condition,
• particle,
• science,
• subject,
• engineering,
• item,
• language,
• conductor,
• instrumentation,
• religion,
• decoration,
• biology,
• ornamentation,
• system,
• elements,
• works,
• physics,
• horn,
• music,
• geology,
• neuroleptic,
• fluid,
• vessel,
• programming,
• substrate,
• rhetoric,
• arts,
• modality,
• architecture,
• solvent,
• culture,
• disorder,
• domain,
• education,
• control,
• method,
• attraction,
• sorbent,
• bioscience,
• wave,
• art,
• drawing,
• touch,
• procedure,
• material,
• figure,
• technique,
• logic,
• career,
• orchestra,
• sound,
• therapy,
• quality,
• profession,
• activity,
• algebra,
• force,
• treatment,
• feature,
• style,
• civilization,
• topic,
• drug,
• work,
• process,
• dance,
• area,
• measure,
• furniture,
• performance,
• symptom,
• literature,
• solid,
• bearing,
• scripture,
• inspiration,
• theory,
• monster,
• ensemble,
• house,
• vaccine,
• disease,
• oxidant,
• tongue,
• antipsychotic,
• concept,
• disaster,
• part,
• composition,
• theme,
• gas,
• period,
• notion,
• hardwood,
• field,
• invariant,
• tradition,
• study,
• piece,
• genre,
• lamp,
• substance,
• mathematics,
• shape,
• means,
• ballet,
• structure,
• idea,
• liquid,
• display,
• ornament,