Modifiers matching nature:

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

Simple categories matching operational:

• limitation,
• person,
• equipment,
• disruption,
• activity,
• aid,
• expense,
• system,
• unit,
• layer,
• change,
• practice,
• record,
• testing,
• thing,
• equation,
• resource,
• process,
• information,
• measure,
• sound,
• procedure,
• setting,
• cost,
• employee,
• agency,
• inspection,
• management,
• quality,
• report,
• department,
• phenomenon,
• environment,
• risk,
• schedule,
• dealings,
• personnel,
• spacecraft,
• matter,
• action,
• steps,
• notice,
• expenditure,
• component,
• status,
• accident,
• innovation,
• stuff,
• topic,
• deviation,
• feature,
• state,
• specification,
• waste,
• line,
• zone,
• staff,
• mode,
• mission,
• means,
• necessity,
• duty,
• document,
• device,
• modification,
• policy,
• cluster,
• characteristic,
• tool,
• discipline,
• command,
• focus,
• force,
• gauge,
• work,
• user,
• guidance,
• server,
• liabilities,
• material,
• method,
• building,
• instructions,
• agreement,
• vehicle,
• audit,
• arrangement,
• decision,
• team,
• indicator,
• supply,
• use,
• condition,
• data,
• part,
• aspect,
• mechanism,
• task,
• interruption,
• performance,
• requirement,
• button,
• error,
• role,
• input,
• budget,
• aircraft,
• nature,
• interference,
• company,
• application,
• attribute,
• discharge,
• success,
• business,
• choice,
• challenge,
• restriction,
• project,
• assets,
• craft,
• capability,
• organisation,
• function,
• parameter,
• constraint,
• opening,
• region,
• skill,
• domain,
• group,
• institution,
• event,
• figure,
• experience,
• ratio,
• effort,
• connection,
• section,
• difficulty,
• solution,
• site,
• impact,
• proposition,
• job,
• efficiency,
• mirror,
• base,
• control,
• guideline,
• assistance,
• sensor,
• behavior,
• behaviour,
• body,
• plan,
• circumstances,
• improvement,
• description,
• support,
• office,
• strategy,
• variable,
• level,
• cycle,
• outcome,
• service,
• structure,
• area,
• readiness,
• organization,
• works,
• temperature,
• knowledge,
• situation,
• criterion,
• item,
• goal,
• committee,
• sector,
• symbol,
• facility,
• cooperation,
• program,
• upset,
• assembly,
• occurrence,
• product,
• issue,
• variation,
• property,
• problem,
• details,
• entity,
• theme,
• concept,
• failure,
• incident,
• consideration,
• point,