Modifiers matching gas:

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

Simple categories matching natural:

• practice,
• scene,
• object,
• appearance,
• material,
• fiber,
• deterioration,
• zeolite,
• phenomenon,
• hydrocarbon,
• grain,
• response,
• vinegar,
• stone,
• prayer,
• adhesive,
• fibre,
• rubber,
• opiate,
• protease,
• rhythm,
• process,
• inlet,
• coffee,
• sediment,
• corticosteroid,
• ecosystem,
• substance,
• separation,
• shrine,
• network,
• reproduction,
• debris,
• god,
• predator,
• steroid,
• weapon,
• measure,
• goodness,
• mixture,
• quality,
• group,
• selection,
• argument,
• source,
• botanical,
• flower,
• impulse,
• religion,
• depressant,
• heating,
• nuclease,
• instrumentation,
• juice,
• fertiliser,
• refrigerant,
• opening,
• way,
• level,
• advantage,
• metabolite,
• colloid,
• relationship,
• aptitude,
• disorder,
• braid,
• filament,
• audience,
• drug,
• binder,
• obligation,
• vegetable,
• antacid,
• water,
• gas,
• rarity,
• filling,
• frame,
• carbohydrate,
• issue,
• enzyme,
• fodder,
• neutral,
• scientist,
• protection,
• disease,
• crystal,
• toxicant,
• representation,
• activator,
• cause,
• power,
• leather,
• polymer,
• fare,
• ridge,
• medicine,
• building,
• perfume,
• coloring,
• brine,
• chemical,
• expression,
• behavior,
• layer,
• faculty,
• experience,
• option,
• bait,
• tree,
• data,
• therapy,
• estrogen,
• scavenger,
• stress,
• seed,
• trap,
• reed,
• drink,
• use,
• calamity,
• sugar,
• loss,
• affection,
• micronutrient,
• category,
• form,
• inhabitant,
• particle,
• artifact,
• signal,
• flooring,
• foodstuff,
• influence,
• imperfection,
• hemoprotein,
• watercourse,
• lake,
• subject,
• quantity,
• drive,
• modality,
• characteristic,
• earth,
• jewelry,
• beverage,
• injustice,
• piece,
• sound,
• mishap,
• feature,
• act,
• buffer,
• carpet,
• preparation,
• procedure,
• narcotic,
• mode,
• smell,
• antioxidant,
• insect,
• agent,
• being,
• craft,
• bones,
• order,
• waterway,
• beauty,
• siding,
• love,
• cheese,
• period,
• herb,
• phosphoprotein,
• difference,
• accident,
• light,
• solution,
• hormone,
• clearing,
• attribute,
• item,
• limit,
• assembly,
• texture,
• whitener,
• habitat,
• hollow,
• grassland,
• emulsifier,
• comparison,
• erosion,
• patch,
• immunity,
• sense,
• communication,
• fabric,
• factor,
• cavity,
• beast,
• host,
• beads,
• healthcare,
• paint,
• surfactant,
• infrastructure,
• flavoring,
• design,
• oleoresin,
• tragedy,
• insecticide,
• glycoside,
• constraint,
• protein,
• jewel,
• flow,
• skill,
• amine,
• sickness,
• flora,
• stuff,
• ab,
• touch,
• butter,
• fluctuation,
• hydrocolloid,
• virtue,
• defect,
• phytochemical,
• precipitation,
• preservative,
• excreta,
• niche,
• support,
• worry,
• lighting,
• peptide,
• medium,
• situation,
• knowledge,
• creation,
• system,
• seafood,
• elastomer,
• rosin,
• alloy,
• excretion,
• infection,
• passage,
• nutrient,
• commodity,
• personality,
• antiseptic,
• symptom,
• perturbation,
• lubricant,
• stimulant,
• substrate,
• conductor,
• sign,
• fuel,
• product,
• particulate,
• interaction,
• music,
• materiel,
• gem,
• disposition,
• coating,
• transformation,
• syrup,
• supply,
• ambience,
• action,
• catecholamine,
• noise,
• pathogen,
• composition,
• silicate,
• seasoning,
• territory,
• community,
• fat,
• means,
• slate,
• atom,
• green,
• elements,
• look,
• outbreak,
• therapeutics,
• soil,
• radiation,
• alcohol,
• abrasive,
• world,
• hypnotic,
• essence,
• location,
• poison,
• pigment,
• oligosaccharide,
• surface,
• region,
• death,
• matter,
• hair,
• carotenoid,
• procreation,
• stream,
• language,
• evacuation,
• marking,
• membrane,
• speech,
• society,
• vitamin,
• herbicide,
• boundary,
• plant,
• bivalve,
• course,
• interference,
• passageway,
• repressor,
• sport,
• contingency,
• outflow,
• fragrance,
• entity,
• allergen,
• leaf,
• cycle,
• laws,
• astringent,
• firebreak,
• precursor,
• development,
• armor,
• polysaccharide,
• park,
• exercise,
• resin,
• foam,
• stimulus,
• body,
• feed,
• remedy,
• dish,
• discharge,
• matrix,
• anticoagulant,
• formation,
• insulator,
• mechanism,
• model,
• occurrence,
• method,
• article,
• contaminant,
• pause,
• steak,
• extract,
• science,
• shelter,
• whole,
• progestogen,
• flaw,
• shampoo,
• landmark,
• incense,
• text,
• pulp,
• motif,
• incident,
• wonder,
• pharmaceutical,
• derivative,
• magnitude,
• blemish,
• endowment,
• prey,
• makeup,
• colours,
• prosody,
• hardwood,
• discipline,
• family,
• satellite,
• waste,
• scourge,
• plaything,
• control,
• land,
• clay,
• carnivore,
• antibiotic,
• androgen,
• kind,
• food,
• part,
• linen,
• souvenir,
• fertilizer,
• creature,
• toxin,
• reservoir,
• zooplankton,
• ester,
• weave,
• oil,
• aggregate,
• mica,
• swarm,
• hallucinogen,
• theme,
• metric,
• dialogue,
• compound,
• cereal,
• sorbent,
• passion,
• cotton,
• plasma,
• color,
• catastrophe,
• energy,
• diuretic,
• condiment,
• antimicrobial,
• dyestuff,
• flavour,
• eggshell,
• line,
• flavor,
• class,
• canal,
• cortisone,
• greenery,
• animal,
• activity,
• haemoprotein,
• salt,
• wetness,
• phospholipid,
• law,
• emission,
• sedative,
• mineral,
• repellent,
• microorganism,
• carcinogen,
• image,
• difficulty,
• dimension,
• constituent,
• carrier,
• fact,
• thickener,
• route,
• field,
• vortex,
• variation,
• ornament,
• gemstone,
• ligand,
• heat,
• assets,
• impurity,
• sweetener,
• shape,
• area,
• scale,
• hide,
• technology,
• work,
• pollutant,
• vice,
• anesthetic,
• feldspar,
• aperture,
• foliage,
• lense,
• plaster,
• evolution,
• grouping,
• organs,
• unit,
• orifice,
• starch,
• case,
• dielectric,
• place,
• change,
• hairstyle,
• antifreeze,
• morality,
• asset,
• solute,
• happening,
• attitude,
• point,
• condition,
• environment,
• institution,
• humectant,
• reaction,
• impediment,
• information,
• pulse,
• chromogen,
• vessel,
• cover,
• monument,
• colouring,
• cord,
• figure,
• fish,
• latex,
• event,
• glucocorticoid,
• yarn,
• indicator,
• fruit,
• instrument,
• bristle,
• interface,
• surroundings,
• acid,
• infirmity,
• garbage,
• cofactor,
• contamination,
• xanthine,
• container,
• ordering,
• filler,
• cure,
• barrier,
• obstacle,
• ore,
• attar,
• solid,
• hill,
• nucleotide,
• spice,
• nourishment,
• endorphin,
• anomaly,
• wool,
• background,
• person,
• lipid,
• task,
• consequence,
• wetland,
• albumin,
• treasure,
• attraction,
• molecule,
• heritage,
• fauna,
• gum,
• dessert,
• break,
• distinction,
• evil,
• capital,
• alkaloid,
• motion,
• cosmetic,
• triglyceride,
• herbivore,
• aroma,
• tissue,
• peril,
• lecithin,
• emanation,
• bone,
• component,
• setting,
• variable,
• trait,
• sentiment,
• hazard,
• pesticide,
• mound,
• catalyst,
• pest,
• function,
• monosaccharide,
• opium,
• fence,
• danger,
• diamond,
• joint,
• grass,
• state,
• starches,
• vegetation,
• soap,
• marker,
• token,
• channel,
• relaxant,
• textile,
• resource,
• electricity,
• property,
• wood,
• cloth,
• glass,
• illusion,
• illness,
• scent,
• division,
• metal,
• flavouring,
• monomer,
• force,
• ability,
• emotion,
• pattern,
• soup,
• site,
• ways,
• elevation,
• salve,
• desire,
• porphyrin,
• ventilation,
• structure,
• obstruction,
• gradient,
• space,
• picture,
• conversation,
• authority,
• nail,
• ingredient,
• owner,
• philosophy,
• fluid,
• anaesthetic,
• operator,
• abstraction,
• sulfate,
• decoration,
• clone,
• macromolecule,
• style,
• wax,
• disaccharide,
• nucleoside,
• disturbance,
• disaster,
• secretion,
• oestrogen,
• treatment,
• organism,
• behaviour,
• weaponry,
• motive,
• asphalt,
• configuration,
• bush,
• deposit,
• rock,
• origin,
• feeling,
• torque,
• nut,
• movement,
• device,
• thing,
• fur,
• nature,
• ground,
• malt,
• progestin,