Modifiers matching obstruction:

• permanent,
• under,
• discrete,
• physical,
• hydraulic,
• additional,
• topical,
• metal,
• small,
• removable,
• vertical,
• larger,
• surrounding,
• solid,
• temporary,
• simple,
• irregular,
• short,
• nearby,
• urethral,
• typical,
• terrestrial,
• raised,
• multiple,
• visual,
• clear,
• large,
• isolated,
• structural,
• minor,
• common,
• local,
• past,
• overhead,
• artificial,
• upright,
• mechanical,
• unusual,
• virtual,
• geographic,
• current,
• featureless,
• opaque,
• layer,
• dense,
• movable,
• low,
• major,
• linear,
• taller,
• bigger,
• environmental,
• elongated,
• visible,
• underground,
• impenetrable,
• adjacent,
• smaller,
• hidden,
• hard,
• level,
• natural,
• tall,
• subsurface,
• lateral,
• immovable,
• electrical,
• external,
• horizontal,
• spatial,
• indoor,
• rigid,
• over,
• insurmountable,
• significant,
• fixed,
• internal,
• outdoor,
• nasal,
• cooler,
• lighted,
• relevant,
• hazardous,
• underwater,
• up,

Simple categories matching discrete:

• factor,
• emotion,
• article,
• substance,
• unit,
• property,
• form,
• values,
• collection,
• entity,
• object,
• event,
• system,
• material,
• mathematics,
• molecule,
• mind,
• disturbance,
• detector,
• information,
• hardware,
• conveyance,
• individual,
• variable,
• particle,
• item,
• knowledge,
• value,
• volume,
• subject,
• set,
• location,
• period,
• step,
• times,
• sensor,
• sign,
• group,
• switch,
• measure,
• attribute,
• actuator,
• state,
• sector,
• condition,
• feature,
• medium,
• service,
• formation,
• interval,
• commodity,
• band,
• dose,
• character,
• field,
• map,
• solid,
• cause,
• trait,
• meaning,
• data,
• transactions,
• space,
• organelle,
• equipment,
• camera,
• aggregation,
• disorder,
• geometry,
• problem,
• obstruction,
• change,
• ability,
• spectrum,
• circuitry,
• copolymer,
• cell,
• task,
• module,
• option,
• market,
• domain,
• zone,
• output,
• portion,
• request,
• amount,
• food,
• package,
• symmetry,
• facility,
• subset,
• matter,
• affection,
• symbol,
• model,
• element,
• casting,
• component,
• dimension,
• policy,
• product,
• characteristic,
• sphere,
• phenomenon,
• support,
• cue,
• conductor,
• semiconductor,
• part,
• pattern,
• population,
• fluid,
• movement,
• institution,
• display,
• time,
• defect,
• building,
• organ,
• choice,
• topic,
• constraint,
• function,
• act,
• surface,
• thing,
• phase,
• category,
• body,
• communications,
• area,
• image,
• program,
• sequence,
• elements,
• host,
• decision,
• piece,
• grain,
• circuit,
• minority,
• signal,
• fuel,
• level,
• quantity,
• control,
• activity,
• transformation,
• device,
• syndrome,
• resource,
• artifact,
• devices,
• concept,
• marker,
• occurrence,
• connection,
• discipline,
• shape,
• action,
• input,
• process,
• assets,
• controller,
• community,
• sample,
• point,
• asset,
• type,
• receptor,
• project,
• intervention,
• skill,
• illness,
• industry,
• structure,
• container,
• taxon,