Modifiers matching vegetation:

• natural,
• dense,
• upland,
• strong,
• flammable,
• unusual,
• native,
• combustible,
• dead,
• tall,
• seasoned,
• homogenous,
• woody,
• thick,
• higher,
• surrounding,
• valuable,
• succulent,
• heavy,
• undesirable,
• deciduous,
• open,
• marginal,
• low,
• desirable,
• thin,
• long,
• tender,
• old,
• unique,
• mixed,
• tropical,
• round,
• artificial,
• coastal,
• rough,
• aquatic,
• leafy,
• terrestrial,
• unwanted,
• larger,
• healthy,
• sensitive,
• actual,
• permanent,

Simple categories matching open:

• area,
• position,
• bivalve,
• space,
• sea,
• structure,
• file,
• service,
• grassland,
• land,
• light,
• highway,
• shelter,
• water,
• location,
• aquarium,
• projection,
• country,
• place,
• site,
• burning,
• organization,
• sector,
• basin,
• dish,
• building,
• construction,
• container,
• object,
• image,
• institution,
• pit,
• vehicle,
• design,
• system,
• stage,
• marketplace,
• shellfish,
• workplace,
• resistance,
• unit,
• air,
• shape,
• face,
• office,
• facility,
• type,
• gesture,
• envelope,
• nut,
• science,
• item,
• enclosure,
• business,
• canopy,
• roll,
• entity,
• collocation,
• field,
• implementation,
• cover,
• prey,
• information,
• meat,
• part,
• package,
• fixture,
• feature,
• specification,
• appliance,
• event,
• program,
• designer,
• vessel,
• article,
• application,
• vegetation,
• competition,
• group,
• function,
• liquid,
• document,
• knowledge,
• waterway,
• flow,
• fabric,
• volume,
• boat,
• code,
• issue,
• network,
• thing,
• material,
• meeting,
• struggle,
• ocean,
• cell,
• passage,
• environment,
• conduit,
• clearing,
• terrain,
• forest,
• community,
• receptacle,
• excavation,
• protocol,
• substance,
• conveyance,
• watercourse,
• mollusc,
• procedure,
• territory,
• source,
• form,
• society,
• fencing,
• surface,
• version,
• ampoule,
• conflict,
• stairway,
• box,
• door,
• market,
• section,
• body,
• establishment,
• fire,
• room,
• grain,
• curve,
• medium,
• forum,
• orifice,
• nester,
• equipment,
• perch,
• car,
• activity,
• menu,
• woodland,
• pattern,
• wall,
• food,
• seam,
• flower,
• situation,
• lagoon,
• wound,
• beam,
• patch,
• powerboat,
• habitat,
• housing,
• ground,
• standard,
• region,
• view,