Modifiers matching placement:

• costly,
• permanent,
• interior,
• academic,
• clinical,
• transitional,
• difficult,
• specialized,
• therapeutic,
• private,
• concrete,
• protective,
• residential,
• rural,
• restrictive,

Simple categories matching concrete:

• instrument,
• structure,
• evidence,
• surface,
• plant,
• paving,
• accessory,
• subject,
• thing,
• object,
• substrate,
• matter,
• item,
• ingredient,
• article,
• method,
• material,
• study,
• chemical,
• details,
• organization,
• furniture,
• service,
• property,
• shape,
• process,
• event,
• constituent,
• entity,
• data,
• tank,
• abstraction,
• product,
• phenomenon,
• knowledge,
• concept,
• project,
• defect,
• community,
• strength,
• practice,
• instance,
• cue,
• obstacle,
• communication,
• skill,
• program,
• fact,
• institution,
• ways,
• territory,
• representation,
• association,
• consistency,
• achievement,
• pipe,
• deck,
• issue,
• container,
• anchor,
• location,
• aid,
• change,
• domain,
• area,
• assistance,
• artefact,
• interest,
• symbol,
• elements,
• point,
• experience,
• original,
• performance,
• reality,
• part,
• slab,
• composition,
• casting,
• wall,
• image,
• block,
• pavement,
• undertaking,
• distortion,
• terms,
• ornament,
• group,
• action,
• topic,
• objective,
• design,
• substance,
• content,
• mixture,
• module,
• application,
• result,
• message,
• foundation,
• cooperation,
• situation,
• beam,
• support,
• works,
• incentive,
• dimension,
• values,
• means,
• primitive,
• placement,
• measure,
• proof,
• carrier,
• condition,
• concern,
• quality,
• construction,
• sound,
• building,
• element,
• case,
• task,
• order,
• pole,
• sign,
• reason,
• implementation,
• model,
• category,
• facility,
• record,
• fixture,
• information,
• conduit,
• equipment,
• resource,
• example,
• space,
• attribute,
• system,
• piece,
• behavior,
• cylinder,
• medium,
• section,
• grounds,
• science,
• base,
• aggregate,
• artifact,
• floor,
• form,
• assets,
• activity,
• preparation,
• repair,
• type,
• style,
• individual,
• trait,
• scale,
• consideration,
• body,
• way,
• deliverable,
• position,
• connection,
• level,
• problem,
• component,
• arrangement,
• unit,
• help,
• figure,
• class,
• feature,
• hazard,
• work,
• characteristic,
• masonry,
• decoration,
• effort,
• discipline,
• meaning,
• idea,
• sense,
• production,
• job,
• metal,
• mechanism,
• noun,
• function,
• suggestion,
• creation,
• output,
• invention,
• relationship,
• site,
• trade,
• installation,
• industry,
• theme,
• language,
• vessel,
• goal,
• target,
• machine,
• contaminant,
• edge,
• occupation,
• barrier,