Modifiers matching interference:

• unlawful,
• chemical,
• mechanical,
• cultural,
• cognitive,
• nearby,
• external,
• electrical,
• visual,
• outside,
• political,
• major,
• undesired,
• scientific,
• acoustic,
• developmental,
• natural,
• foreign,
• operational,
• radio,
• electromagnetic,
• aggressive,
• random,
• magnetic,
• unwanted,
• significant,
• mental,
• environmental,
• atmospheric,
• temporary,
• impulsive,
• physical,
• anthropogenic,
• extraneous,
• strong,
• passive,
• ambient,
• physiological,
• stochastic,
• tangible,
• optical,
• common,
• functional,
• transient,
• minor,
• technical,
• judicial,
• catastrophic,
• potential,
• urban,
• electronic,
• unnecessary,

Simple categories matching operational:

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