Modifiers matching occurrence:

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

Simple categories matching costly:

• gem,
• tissue,
• ingredient,
• material,
• business,
• article,
• chemical,
• metal,
• care,
• constituent,
• equipment,
• hardware,
• modality,
• item,
• signal,
• undertaking,
• works,
• condition,
• connection,
• possession,
• practitioner,
• project,
• machine,
• illness,
• instrument,
• insurance,
• disease,
• food,
• activity,
• technician,
• innovation,
• assets,
• intervention,
• investigation,
• facility,
• setting,
• action,
• addiction,
• stuff,
• pet,
• sensor,
• study,
• failure,
• service,
• textile,
• extra,
• liquid,
• insecticide,
• placement,
• stone,
• structure,
• fuel,
• occurrence,
• testing,
• fabric,
• addition,
• institution,
• macromolecule,
• system,
• substance,
• test,
• work,
• medium,
• merchandise,
• change,
• behavior,
• benefit,
• repair,
• product,
• thing,
• mineral,
• measure,
• wood,
• option,
• treatment,
• object,
• control,
• behaviour,
• hardwood,
• process,
• drug,
• cheese,
• part,
• trait,
• filler,
• preparation,
• complication,
• event,
• use,
• ceremony,
• gizmo,
• element,
• procedure,
• disorder,
• mechanism,
• vehicle,
• fitting,
• crime,
• surprise,
• resource,
• accommodation,
• penalty,
• area,
• spice,
• component,
• infection,
• halogen,
• compound,
• animal,
• beverage,