Modifiers matching obstacle:

• dynamic,
• rigid,
• natural,
• over,
• physical,
• static,
• wooden,
• fixed,
• special,
• artificial,
• practical,
• clear,
• rectangular,
• high,
• local,
• interfering,
• creative,
• external,
• architectural,
• dangerous,
• large,
• solid,
• extensive,
• hazardous,
• common,
• visual,
• underground,
• movable,
• everyday,
• moving,
• environmental,
• vertical,
• geological,
• stationary,
• porous,
• removable,
• penetrating,
• overhead,
• size,
• coming,
• elevated,
• tall,
• rural,
• tricky,
• difficult,
• additional,
• single,
• urban,
• private,
• small,
• working,
• simple,
• typical,
• mechanical,
• permanent,
• psychological,
• adjacent,
• opaque,
• concrete,
• geographic,
• dense,
• world,
• advanced,
• structural,
• multiple,
• unmovable,
• soft,
• passive,
• thick,
• nearby,
• narrow,
• distant,
• institutional,
• impenetrable,
• linear,
• unusual,
• outdoor,

Simple categories matching psychological:

• topic,
• process,
• quality,
• harassment,
• state,
• distress,
• analyst,
• development,
• aberration,
• pleasure,
• behaviour,
• problem,
• disorder,
• play,
• condition,
• motivation,
• treatment,
• crime,
• concept,
• education,
• fiction,
• event,
• support,
• drive,
• ability,
• power,
• trait,
• impact,
• knowledge,
• nature,
• difficulty,
• response,
• attribute,
• notion,
• skill,
• harm,
• principle,
• attitude,
• capability,
• dimension,
• inertia,
• aggression,
• connection,
• ill,
• discomfort,
• help,
• values,
• science,
• procedure,
• terms,
• model,
• pressure,
• evaluation,
• hazard,
• stress,
• property,
• care,
• closeness,
• activity,
• malady,
• bias,
• abnormality,
• discipline,
• test,
• level,
• issue,
• strain,
• trauma,
• maturity,
• teaching,
• situation,
• experience,
• research,
• manipulation,
• disposition,
• disturbance,
• content,
• intervention,
• force,
• variable,
• tendency,
• demand,
• obstacle,
• practice,
• limitation,
• exercise,
• space,
• block,
• control,
• perturbation,
• damage,
• defence,
• change,
• maltreatment,
• reaction,
• disease,
• resource,
• emotion,
• energy,
• illness,
• area,
• impairment,
• component,
• work,
• error,
• entity,
• therapy,
• idea,
• project,
• faculty,
• service,
• complication,
• adaptation,
• complaint,
• study,
• stage,
• belief,
• measure,
• use,
• motive,
• concern,
• perception,
• status,
• phenomenon,
• morbidity,
• reward,
• characteristic,
• instrument,
• pain,
• system,
• feature,
• cause,
• consequence,
• structure,
• product,
• technique,
• ailment,
• measurement,
• factor,
• behavior,
• strength,
• conflict,
• function,
• injury,
• method,
• domain,
• benefit,
• makeup,
• abuse,
• mistreatment,
• form,
• trouble,
• task,
• theory,
• symptom,
• mechanism,
• abstraction,
• aspect,
• capacity,
• inquiry,
• defense,
• feeling,