Modifiers matching extra:

• nice,
• possible,
• interior,
• desirable,
• little,
• new,
• luxurious,
• decorative,
• basic,
• small,
• handy,
• funny,
• modern,
• essential,
• thoughtful,
• helpful,
• light,
• related,
• heavy,
• up,
• useful,
• optional,
• special,
• online,
• popular,
• significant,
• hidden,
• free,
• over,
• costly,
• typical,
• external,
• unique,
• colorful,
• veterinary,
• out,
• standard,
• ancillary,
• beautiful,
• editorial,
• internal,
• miscellaneous,
• good,
• personal,
• nonstandard,
• offer,
• ornamental,
• convenient,
• wonderful,
• technical,
• taxing,
• wild,
• additional,
• exterior,
• important,
• usual,
• traditional,
• exotic,
• rare,
• complimentary,
• unwanted,
• bulky,
• available,
• premium,
• strange,
• cosmetic,
• cool,
• delicate,
• removable,
• fattening,
• common,
• fixed,
• expensive,
• sophisticated,
• everyday,
• fancy,
• exciting,
• insignificant,
• valuable,
• necessary,
• exclusive,
• interesting,
• clean,

Simple categories matching costly:

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