Modifiers matching trouble:

• real,
• unexpected,
• psychological,
• everyday,
• sexual,
• fatal,
• temporary,
• serious,
• political,
• economic,
• financial,
• undesirable,
• mental,
• environmental,
• experienced,
• unforeseen,
• mechanical,
• major,
• technical,
• internal,
• small,

Simple categories matching psychological:

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