Modifiers matching period:

• real,
• reproductive,
• over,
• busy,
• special,
• seasonal,
• regular,
• procedural,
• congested,
• shorter,
• short,
• muslim,
• small,
• vulnerable,
• dry,
• basic,
• wet,
• developmental,
• archeological,
• defined,
• long,
• discrete,
• popular,
• standard,
• longer,
• waiting,
• fiscal,
• substantial,
• important,
• classical,
• prolonged,
• stressful,
• relevant,
• windy,
• historical,
• christian,
• intense,
• shortened,
• festive,
• promotional,
• diverse,
• quiet,
• irregular,
• significant,
• set,
• critical,
• literary,
• smaller,
• productive,
• specified,
• heavy,
• future,
• extraordinary,
• off,
• acute,
• fixed,
• natural,
• crucial,
• unstable,
• hectic,
• intensive,
• painful,
• uncertain,
• floral,
• prescribed,
• holy,
• industrial,
• key,
• difficult,
• common,
• statutory,
• cold,
• residential,
• major,
• unfavourable,
• limited,
• reasonable,

Simple categories matching productive:

• characteristic,
• employment,
• activity,
• labour,
• sector,
• import,
• behavior,
• land,
• fishery,
• occupation,
• tree,
• assets,
• use,
• resource,
• condition,
• project,
• space,
• work,
• change,
• area,
• ministry,
• site,
• investment,
• enterprise,
• venture,
• trait,
• action,
• pond,
• input,
• institution,
• thing,
• item,
• region,
• business,
• installation,
• job,
• study,
• arts,
• property,
• commodity,
• force,
• practice,
• effort,
• software,
• service,
• system,
• capital,
• ways,
• process,
• task,
• craft,
• end,
• endeavor,
• insect,
• pastime,
• period,
• purpose,
• matter,
• industry,
• place,
• livestock,
• attribute,
• event,
• works,
• facility,
• object,
• outlet,
• plant,
• skill,
• animal,
• training,
• organization,
• group,
• crop,
• unit,
• tool,
• sphere,
• equipment,
• choice,