Modifiers matching disruption:

• social,
• random,
• technical,
• serious,
• tectonic,
• unexpected,
• common,
• major,
• temporary,
• physical,
• operational,
• endocrine,
• direct,
• local,
• unpredictable,
• stochastic,

Simple categories matching operational:

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