Modifiers matching nature:

• intrinsic,
• permanent,
• personal,
• impervious,
• sharp,
• municipal,
• colloidal,
• logical,
• essential,
• conceptual,
• invisible,
• utilitarian,
• technical,
• social,
• administrative,
• destructive,
• biological,
• higher,
• combustible,
• standard,
• governmental,
• confidential,
• volatile,
• regulatory,
• supernatural,
• specialised,
• sophisticated,
• professional,
• sensitive,
• portable,
• systemic,
• emotional,
• authentic,
• criminal,
• violent,
• important,
• perishable,
• poisonous,
• intimate,
• traditional,
• numerical,
• stable,
• tangible,
• distinct,
• basic,
• technological,
• uncertain,
• mobile,
• cyclical,
• theoretical,
• critical,
• varied,
• inner,
• feminine,
• commercial,
• specialized,
• acidic,
• structural,
• monetary,
• unskilled,
• everyday,
• off,
• adult,
• hazardous,
• symbolic,
• real,
• cultural,
• transmittable,
• unusual,
• continuous,
• educational,
• hydrophobic,
• economic,
• contagious,
• unpleasant,
• annoying,
• repetitive,
• magnetic,
• carbonaceous,
• stochastic,
• toxic,
• psychological,
• political,
• civic,
• organizational,
• fragile,
• mundane,
• practical,
• chemical,
• domestic,
• sexual,
• immaterial,
• public,
• explosive,
• abstract,
• humanitarian,
• official,
• aesthetic,
• dangerous,
• inanimate,
• temporary,
• edible,
• larger,
• socioeconomic,
• fixed,
• legal,
• delicate,
• dynamic,
• absolute,
• divine,
• inflammable,
• catalytic,
• clinical,
• consumable,
• serious,
• valuable,
• common,
• financial,
• invasive,
• beautiful,
• immortal,
• verbal,
• noxious,
• promotional,
• informational,
• supplementary,
• religious,
• nonliving,
• developmental,
• aggressive,
• disposable,
• routine,
• mechanical,
• ancillary,
• institutional,
• immutable,
• incidental,
• global,
• synthetic,
• philosophical,
• subtle,
• complex,
• true,
• virtual,
• exotic,
• temporal,
• psychosomatic,
• flammable,
• philological,
• acute,
• bizarre,
• secular,
• urgent,
• general,
• private,
• absorbent,
• infectious,
• inorganic,
• creative,
• nutrient,
• operational,
• bland,
• hierarchical,
• macroscopic,
• visible,
• subjective,
• scientific,
• heterogeneous,
• durable,
• decorative,
• spiritual,
• threatening,
• simple,
• brittle,
• interpersonal,
• electrical,
• passive,
• lethal,
• local,
• organic,
• physical,
• geometrical,
• seasonal,
• solid,
• factual,
• nonhuman,
• mathematical,
• planar,
• granular,
• organisational,
• cold,
• transient,
• friable,
• evil,
• individual,
• nonsensitive,
• unique,
• intellectual,
• natural,
• proprietary,
• acid,
• smaller,
• sinful,
• diverse,
• particulate,
• functional,

Simple categories matching volatile:

• substance,
• pesticide,
• oxide,
• commodity,
• compound,
• metal,
• impurity,
• material,
• fumes,
• product,
• complex,
• explosive,
• agent,
• waste,
• component,
• security,
• atom,
• inhalant,
• fuel,
• derivative,
• hydrocarbon,
• solvent,
• assets,
• coal,
• instrument,
• alcohol,
• phenol,
• contamination,
• chemical,
• inhibitor,
• carrier,
• liquid,
• variable,
• preparation,
• combustible,
• precursor,
• investment,
• metabolite,
• sector,
• object,
• industry,
• salt,
• intermediate,
• memory,
• amine,
• gas,
• halide,
• reactant,
• buffer,
• asset,
• contaminant,
• acid,
• fraction,
• drug,
• stuff,
• chloride,
• food,
• iodide,
• anesthetic,
• indicator,
• nitrogen,
• oil,
• fund,
• molecule,
• constituent,
• refrigerant,
• funds,
• element,
• fumigant,
• particle,
• solute,
• tetrahalide,
• alkane,
• haloform,
• emotion,
• substrate,
• olefin,
• anaesthetic,
• market,
• diluent,
• item,
• business,
• coolant,
• alkali,
• matter,
• aldehyde,
• fluid,
• catalyst,
• monomer,
• nature,
• development,
• solution,
• residue,
• medium,
• solid,
• flavor,
• location,