Modifiers matching occurrence:

• astronomical,
• violent,
• disastrous,
• natural,
• unforeseen,
• unusual,
• happy,
• unexpected,
• negative,
• supernatural,
• tragic,
• commonplace,
• costly,
• dangerous,
• positive,
• catastrophic,
• devastating,
• benign,
• adverse,
• deadly,
• interesting,
• untoward,
• uncertain,
• sudden,
• unanticipated,
• serious,
• transient,
• spontaneous,
• special,
• unpredictable,
• single,
• future,
• unfortunate,
• seasonal,
• superficial,
• temporary,
• climatic,
• significant,
• relevant,
• meaningful,
• rare,
• acoustic,
• disruptive,
• weather,
• miscellaneous,
• possible,
• simple,
• inanimate,
• musical,
• recent,
• unpleasant,
• medical,
• autonomic,
• unplanned,
• severe,
• motivational,
• cataclysmic,
• extreme,
• small,
• hazardous,
• historical,
• neurological,
• normal,
• everyday,
• interactive,
• unavoidable,
• neurologic,
• discrete,
• criminal,
• irregular,
• geographical,
• specified,
• undesirable,
• annual,
• common,
• elemental,
• traumatic,
• random,
• infrequent,
• odd,
• localised,
• internal,
• terrifying,
• dynamic,
• unlikely,
• geologic,
• environmental,
• social,
• operational,
• accidental,
• strange,
• exogenous,
• unique,
• unwanted,
• extraordinary,
• physical,
• damaging,
• harmful,
• awesome,
• political,
• stressful,
• unforeseeable,
• deviant,
• routine,
• dramatic,
• outdoor,
• external,
• corporeal,
• organizational,
• outside,
• exceptional,
• periodic,
• ordinary,
• cosmic,
• major,
• abnormal,
• planned,
• local,
• seismic,

Simple categories matching dangerous:

• foodstuff,
• terrain,
• hydrocarbon,
• animal,
• substance,
• molecule,
• idea,
• being,
• pest,
• atmosphere,
• item,
• object,
• vermin,
• drug,
• pollutant,
• disease,
• force,
• denizen,
• narcotic,
• activity,
• weapon,
• part,
• inhabitant,
• parasite,
• consequence,
• operations,
• knowledge,
• compound,
• thing,
• cell,
• propellant,
• occupation,
• chemical,
• material,
• hazard,
• plant,
• weaponry,
• dive,
• toxin,
• point,
• play,
• association,
• criminal,
• microbe,
• property,
• residue,
• prey,
• space,
• area,
• antibiotic,
• constituent,
• jewelry,
• food,
• sector,
• analgesic,
• emotion,
• combustible,
• microorganism,
• energy,
• shark,
• reagent,
• medium,
• endeavor,
• wound,
• topic,
• state,
• creature,
• tackle,
• reptile,
• works,
• recreation,
• cat,
• person,
• task,
• component,
• behaviour,
• habit,
• pursuit,
• institution,
• unit,
• group,
• section,
• trade,
• labor,
• ground,
• equipment,
• solvent,
• environment,
• immunosuppressant,
• vehicle,
• appliance,
• knife,
• sickness,
• conduct,
• insect,
• symptom,
• motivation,
• job,
• program,
• nature,
• defect,
• dish,
• agent,
• technology,
• machine,
• content,
• disaster,
• critter,
• move,
• people,
• fumes,
• obstacle,
• accident,
• enterprise,
• treatment,
• firework,
• entity,
• occurrence,
• cleats,
• action,
• product,
• contaminant,
• firearm,
• worm,
• land,
• event,
• explosive,
• cargo,
• command,
• circumstances,
• medicine,
• incident,
• article,
• wire,
• adversary,
• enemy,
• acid,
• pesticide,
• pet,
• weather,
• instrument,
• infection,
• failure,
• view,
• stuff,
• sport,
• condition,
• work,
• tree,
• gas,
• stimulant,
• virus,
• herb,
• dog,
• room,
• complication,
• disturbance,
• reactant,
• illness,
• antigen,
• quantity,
• implement,
• code,
• software,
• practice,
• carnivore,
• procedure,
• fluid,
• change,
• problem,
• snake,
• amount,
• organism,
• phenomenon,
• storage,
• pastime,
• behavior,
• particle,
• cleanser,
• surroundings,
• oil,
• felon,
• location,
• cause,
• error,
• game,
• projectile,
• waste,
• emplacement,
• addiction,
• individual,
• storm,
• thought,
• devices,
• germ,
• pathogen,
• felony,
• offender,
• situation,
• measure,
• times,
• illusion,
• tick,
• device,
• experience,
• issue,
• clothing,
• facility,
• commodity,
• information,
• rattlesnake,
• mission,
• misconception,
• surface,
• gun,
• liquid,
• opponent,
• crime,
• option,
• fish,
• place,
• offence,
• medication,
• freight,
• matter,
• feature,
• herbivore,
• beast,
• zone,
• stain,
• machinery,
• metal,
• intersection,
• mineral,
• apparatus,
• process,
• system,
• drive,
• production,
• stunt,
• filler,
• intoxicant,
• import,
• fuel,
• bacteria,
• reaction,
• predator,
• industry,
• artefact,
• act,
• toy,
• instrumentality,
• level,
• mammal,
• form,
• spot,
• tool,
• species,
• valley,
• roads,
• poison,
• preservative,