Modifiers matching barrier:

• defined,
• molecular,
• solid,
• physical,
• penetrating,
• environmental,
• rigid,
• suitable,
• simple,
• concrete,
• visual,
• artificial,
• structural,
• protective,
• exterior,
• residential,
• chemical,
• coastal,
• natural,
• physiological,
• vertical,
• continuous,
• up,
• nonmetallic,
• horizontal,
• static,
• small,
• temporary,
• immovable,
• permeable,
• removable,
• fixed,
• permanent,
• confining,
• typical,
• behavioural,
• mechanical,
• resistant,
• home,
• erect,
• architectural,
• outdoor,
• high,
• secure,
• impermeable,
• basic,
• mobile,
• light,
• thick,
• reliable,
• positive,
• conductive,
• durable,
• technical,
• conventional,
• symbolic,
• multiple,
• over,
• normal,
• nonstructural,
• low,
• visible,
• impenetrable,
• regulatory,
• old,
• passive,
• stable,
• opaque,
• real,
• disposable,
• flexible,
• linear,
• external,
• larger,
• surrounding,
• thin,
• under,
• effective,
• moving,
• porous,
• geological,
• institutional,
• moveable,
• hydraulic,
• hard,
• animal,
• accessible,
• upright,
• major,
• metallic,
• minor,
• endothelial,
• significant,
• level,
• new,
• logical,

Simple categories matching multiple:

• applet,
• fastener,
• symptom,
• document,
• surface,
• sport,
• peripheral,
• tissue,
• discipline,
• item,
• location,
• microorganism,
• message,
• injury,
• infection,
• file,
• medium,
• cause,
• host,
• handicap,
• means,
• flower,
• dwelling,
• state,
• action,
• option,
• obstacle,
• disease,
• condition,
• connector,
• body,
• connection,
• grouping,
• disability,
• trait,
• portion,
• drug,
• abnormality,
• beverage,
• organism,
• microphone,
• language,
• group,
• graph,
• stimulus,
• part,
• interest,
• control,
• resource,
• feature,
• unit,
• layer,
• measure,
• illness,
• genre,
• therapy,
• level,
• phase,
• seed,
• component,
• path,
• segment,
• format,
• source,
• tidbit,
• ailment,
• representation,
• procedure,
• input,
• tile,
• sensation,
• computer,
• os,
• antenna,
• industry,
• interaction,
• virus,
• toy,
• factor,
• purpose,
• use,
• room,
• goal,
• region,
• variable,
• service,
• force,
• award,
• stamp,
• stress,
• lesion,
• signal,
• function,
• treatment,
• theme,
• structure,
• system,
• package,
• attribute,
• pathology,
• area,
• destination,
• problem,
• mechanism,
• modality,
• mode,
• complication,
• agency,
• adornment,
• emotion,
• plan,
• event,
• information,
• knowledge,
• controller,
• camera,
• activity,
• characteristic,
• place,
• metal,
• joint,
• medication,
• substrate,
• tool,
• program,
• disorder,
• scalar,
• counter,
• color,
• complaint,
• verse,
• output,
• property,
• market,
• outlet,
• sensor,
• trade,
• accessory,
• consequence,
• obstruction,
• barrier,
• installation,
• thing,
• entity,
• edition,
• organization,
• product,
• ingredient,
• application,
• material,
• process,
• substance,
• race,
• case,
• contaminant,
• subgroup,
• residue,
• episode,
• pathogen,
• article,
• intervention,
• network,
• alteration,
• view,
• food,
• piece,
• sensitivity,