Modifiers matching gas:

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

Simple categories matching rare:

• cell,
• animal,
• betaine,
• pathology,
• metal,
• instance,
• medium,
• bird,
• constituent,
• gas,
• material,
• vehicle,
• native,
• occurrence,
• wildflower,
• wood,
• piece,
• survivor,
• virus,
• bauble,
• item,
• element,
• stuff,
• language,
• neoplasm,
• event,
• tumor,
• gem,
• endemic,
• weapon,
• disease,
• tumour,
• finch,
• mushroom,
• situation,
• circumstances,
• condition,
• unit,
• mammal,
• plant,
• process,
• cancer,
• society,
• hominid,
• works,
• monotreme,
• monster,
• harm,
• gemstone,
• earth,
• spirits,
• essence,
• cat,
• source,
• raptor,
• malignancy,
• quality,
• fibre,
• shape,
• trade,
• phenomenon,
• meat,
• spice,
• allergen,
• pet,
• complication,
• hardwood,
• book,
• merchandise,
• mishap,
• pathogen,
• solid,
• delicacy,
• armor,
• seabird,
• oxide,
• symptom,
• alkali,
• object,
• resource,
• extra,
• disturbance,
• location,
• carnivore,
• substance,
• insect,
• antelope,
• product,
• invertebrate,
• waterbird,
• flower,
• instrument,
• car,
• illness,
• critter,
• outcome,
• ingredient,
• species,
• waterfowl,
• tree,
• fauna,
• entity,
• art,
• dragon,
• fruit,
• article,
• case,
• formation,
• flora,
• reptile,
• salamander,
• chemical,
• food,
• problem,
• character,
• form,
• infection,
• nester,
• drug,
• mutation,
• monument,
• defect,
• weed,
• amphibian,
• deposit,
• substrate,
• antiquity,
• kind,
• crystal,
• lesion,
• taxon,
• coin,
• herb,
• cause,
• commodity,
• mollusc,
• recording,
• fish,
• mineral,
• jewel,
• feature,
• trait,
• anuran,
• disorder,
• building,
• predator,
• document,
• component,
• intervention,
• vegetable,
• group,
• foodstuff,
• hazard,
• error,
• atom,
• organism,
• dragonfly,
• disaster,
• feline,
• vertebrate,
• wine,
• reaction,
• creature,
• thing,
• butterfly,
• danger,
• anaemia,
• treasure,
• ungulate,
• duck,
• relative,
• abnormality,
• artifact,
• compound,
• stone,
• dyscrasia,
• community,