Modifiers matching dog:

• new,
• wild,
• indoor,
• large,
• native,
• feral,
• thin,
• smaller,
• small,
• slow,
• heavy,
• competitive,
• curly,
• working,
• medium,
• athletic,
• muscular,
• eared,
• foreign,
• smart,
• hairy,
• size,
• dainty,
• dominant,
• stray,
• domestic,
• tiny,
• largish,
• energetic,
• useful,
• lovely,
• coated,
• big,
• difficult,
• purebred,
• aggressive,
• sized,
• dangerous,
• hard,
• tall,
• loving,
• necked,
• active,
• strong,
• larger,
• powerful,

Simple categories matching difficult:

• particle,
• area,
• site,
• picture,
• location,
• dirt,
• work,
• matter,
• material,
• surface,
• emotion,
• concern,
• crossing,
• measurement,
• illness,
• hardware,
• item,
• process,
• bond,
• subject,
• part,
• compound,
• job,
• stone,
• vessel,
• injury,
• maneuver,
• condition,
• rock,
• class,
• access,
• dog,
• powder,
• obstacle,
• disease,
• space,
• tray,
• sugar,
• surgery,
• delivery,
• shot,
• dermatosis,
• object,
• product,
• placement,
• content,
• odor,
• stuff,
• article,
• target,
• image,
• profession,
• fuel,
• coating,
• mission,
• labor,
• treatment,
• years,
• text,
• situation,
• science,
• instrument,
• fire,
• ground,
• waste,
• disorder,
• apparatus,
• feature,
• polymer,
• container,
• structure,
• artifact,
• tank,
• event,
• matrix,
• infection,
• environment,
• issue,
• signal,
• region,
• symptom,
• math,
• group,
• discipline,
• position,
• medium,
• component,
• case,
• times,
• zone,
• course,
• quarry,
• metal,
• card,
• insecticide,
• fabric,
• point,
• trait,
• activity,
• shape,
• pose,
• stain,
• articulator,
• circumstances,
• system,
• peak,
• installation,
• problem,
• flow,
• feeling,
• suit,
• carbohydrate,
• period,
• joint,
• behaviour,
• concept,
• plastic,
• works,
• fluid,
• terrain,
• thing,
• original,
• institution,
• pregnancy,
• topic,
• conflict,
• information,
• fibre,
• behavior,
• soil,
• time,
• weather,
• fiber,
• cave,
• sector,
• language,
• video,
• place,
• food,
• deposit,
• question,
• commodity,
• setting,
• texture,
• substance,
• contaminant,
• tumour,
• reality,
• idea,
• state,
• substrate,