Modifiers matching difficulty:

• emotional,
• psychological,
• legal,
• structural,
• acute,
• real,
• unexpected,
• physical,
• common,
• personal,
• social,
• stable,
• sensory,
• practical,
• serious,
• extreme,
• interpersonal,
• unusual,
• conceptual,
• single,
• extra,
• respiratory,
• financial,
• significant,
• important,
• commercial,
• internal,
• psychiatric,
• administrative,
• regulation,
• behavioural,
• severe,
• chronic,
• spiritual,
• particular,
• possible,
• educational,
• invisible,
• domestic,
• unanticipated,
• extraneous,
• progressive,
• local,
• motor,
• everyday,
• past,
• cognitive,
• anatomical,
• concurrent,
• linguistic,
• experienced,
• neuropsychiatric,
• habitual,
• environmental,
• visual,
• neurological,
• ongoing,
• subjective,
• operational,
• related,
• functional,
• somatic,
• mechanical,
• surgical,
• nutritional,
• perceptual,
• unforeseen,
• major,
• academic,
• special,
• typical,
• leaning,
• home,
• computational,
• mental,
• stressful,
• secondary,
• experimental,
• maternal,
• underlying,
• technological,
• persistent,
• sexual,
• economic,
• behavioral,
• mathematical,
• traditional,
• periodic,
• temporary,
• technical,
• logistical,
• basic,
• reproductive,
• natural,
• hormonal,
• parental,
• clinical,
• prevalent,
• external,
• developmental,
• smaller,
• minor,

Simple categories matching technological:

• unit,
• representation,
• development,
• equipment,
• system,
• item,
• object,
• creation,
• application,
• incident,
• means,
• gadget,
• evolution,
• medium,
• organizer,
• process,
• arts,
• content,
• education,
• artifact,
• output,
• possibility,
• discipline,
• protection,
• toy,
• complexity,
• waste,
• challenge,
• opportunity,
• preparation,
• science,
• sector,
• subject,
• machine,
• activity,
• resource,
• requirement,
• issue,
• measure,
• thing,
• construction,
• service,
• accident,
• abstraction,
• condition,
• innovation,
• organization,
• connection,
• control,
• contraption,
• domain,
• institution,
• instrument,
• achievement,
• hazard,
• use,
• initiative,
• way,
• consideration,
• input,
• network,
• attribute,
• character,
• matter,
• knowledge,
• crime,
• danger,
• processing,
• project,
• outcome,
• business,
• field,
• tool,
• property,
• facility,
• improvement,
• investment,
• art,
• advancement,
• study,
• values,
• happening,
• endeavor,
• area,
• school,
• integration,
• phenomenon,
• feature,
• practice,
• course,
• market,
• care,
• production,
• skill,
• flora,
• disaster,
• metal,
• user,
• enterprise,
• fix,
• advance,
• assistance,
• revolution,
• invention,
• arena,
• device,
• interaction,
• intervention,
• artefact,
• weapon,
• research,
• concept,
• aspect,
• entity,
• support,
• apparatus,
• assets,
• progress,
• operations,
• renovation,
• hardware,
• success,
• material,
• surgery,
• product,
• centre,
• limitation,
• nature,
• necessity,
• information,
• wonder,
• characteristic,
• failure,
• option,
• fiber,
• interest,
• solution,
• effort,
• shift,
• event,
• installation,
• document,
• occupation,
• industry,
• change,
• safeguard,
• task,
• distinction,
• difficulty,
• devices,
• structure,