Modifiers matching nature:

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

Simple categories matching incidental:

• contamination,
• expense,
• work,
• item,
• works,
• purpose,
• facility,
• thing,
• disbursement,
• cost,
• charge,
• activity,
• hazard,
• service,
• deliverable,
• terms,
• property,
• lighting,
• installation,
• anachronism,
• material,
• component,
• music,
• use,
• contaminant,
• fee,
• expenditure,
• discharge,
• token,
• repair,
• structure,
• equipment,
• discovery,
• building,
• nature,
• water,
• occupancy,
• hardware,
• information,
• sign,
• part,
• effort,
• condition,
• detritus,