Modifiers matching flow:

• optic,
• geophysical,
• fluid,
• industrial,
• biological,
• gaseous,
• gravitational,
• granular,
• heated,
• turbulent,
• difficult,
• financial,
• natural,
• open,
• elementary,
• volcanic,
• basic,
• complex,
• internal,
• standard,
• real,
• complicated,
• multiphase,
• residual,
• electric,
• hot,
• hydrodynamic,
• spatial,
• demographic,
• simultaneous,
• geometric,
• simple,
• secondary,
• violent,
• shared,
• astrophysical,
• common,
• diverse,
• macroscopic,
• model,
• long,
• environmental,
• ecological,
• pedestrian,
• variable,

Simple categories matching open:

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