Modifiers matching gas:

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

Simple categories matching permanent:

• fixture,
• filler,
• memorial,
• structure,
• cosmetic,
• floor,
• wealth,
• gallery,
• material,
• stain,
• point,
• disfigurement,
• installation,
• facility,
• state,
• substrate,
• outbuilding,
• place,
• makeup,
• marker,
• creator,
• foundation,
• item,
• equipment,
• gas,
• record,
• process,
• visa,
• object,
• restoration,
• windbreak,
• address,
• building,
• hierarchy,
• obstacle,
• characteristic,
• repository,
• seal,
• connection,
• entity,
• use,
• program,
• association,
• covering,
• injury,
• deficit,
• position,
• set,
• disposal,
• location,
• means,
• surgery,
• bureaucracy,
• feature,
• employment,
• collection,
• transmitter,
• status,
• hardware,
• network,
• body,
• magnet,
• glue,
• sterilization,
• illness,
• denture,
• jacket,
• identification,
• unit,
• resident,
• support,
• construction,
• nature,
• trait,
• map,
• damage,
• residency,
• contingency,
• wall,
• worker,
• disability,
• obstruction,
• base,
• activity,
• subroutine,
• vegetation,
• contraceptive,
• furniture,
• device,
• wetland,
• fault,
• site,
• mark,
• condition,
• space,
• form,
• container,
• departure,
• coating,
• flooring,
• area,
• camera,
• property,
• system,
• shift,
• separation,
• dwelling,
• event,
• change,
• disorder,
• enhancement,
• document,
• binding,
• sign,
• tint,
• planting,
• commodity,
• handicap,
• strip,
• alteration,
• consequence,
• office,
• attachment,
• plant,
• barrier,
• shape,
• source,
• enclosure,
• attribute,
• papers,
• employee,
• placement,
• chalk,
• lodgings,
• marking,
• settlement,
• adhesive,
• modification,
• boundary,
• pavilion,
• symptom,
• discoloration,
• book,
• blemish,
• action,
• housing,
• establishment,
• watercourse,
• artifact,
• therapy,
• signature,
• family,
• institution,
• pen,
• display,
• option,
• surface,
• appurtenance,
• toner,
• procedure,
• fastening,
• paralysis,
• product,
• committee,
• creation,
• commemorative,
• home,
• way,
• opening,
• recording,
• fastener,
• alliance,
• publication,
• projection,
• binder,
• info,
• group,
• storage,
• room,
• landmark,
• monument,
• identifier,
• attraction,
• control,
• works,
• shelter,
• quality,
• disturbance,
• information,
• lighting,
• cause,
• access,
• improvement,
• medium,
• suture,
• grant,
• paving,
• mooring,
• job,
• file,
• format,
• substance,
• furnishing,
• measure,
• stream,
• paint,
• appliance,
• memory,
• organisation,
• disease,
• alloy,
• standard,
• commission,
• residence,
• professional,
• force,
• load,
• fixing,
• protection,
• water,
• decoration,
• harm,
• funds,
• organization,
• data,
• assets,
• thing,
• archive,