Category Nuances for null:

• chemical,
• artistic,
• noncompetitive,
• big,
• creative,
• limited,
• physical,
• positive,
• diverse,
• professional,
• light,
• lucrative,
• underlying,
• personal,
• insignificant,
• fine,
• unlawful,
• mental,
• desired,
• physicochemical,
• useful,
• strong,
• advisory,
• unrelated,
• vocal,
• free,
• related,
• gynecologic,
• specialized,
• essential,
• organized,
• voluntary,
• cellular,
• experiential,
• gi,
• disruptive,
• outside,
• technical,
• strategic,
• dangerous,
• exciting,
• strenuous,
• public,
• odd,
• important,
• prestigious,
• aesthetic,
• immoral,
• profitable,
• complimentary,
• sinful,
• educational,
• extracurricular,
• social,
• musical,
• informal,
• temporary,
• theatrical,
• external,
• mundane,
• interesting,
• oral,
• regulated,
• healthy,
• traditional,
• cultural,
• beneficial,
• institutional,
• natural,
• physiological,
• ethical,
• maladaptive,
• functional,
• incidental,
• skilled,

Simple Categories for null:

• endeavor,
• training,
• matter,
• activity,
• support,
• thing,
• occupation,
• use,
• subject,
• production,
• behavior,
• domain,
• works,
• arts,
• attribute,
• experience,
• practice,
• study,
• behaviour,
• action,
• outlet,
• work,
• effort,
• procedure,
• process,
• field,
• conduct,
• activation,
• endeavour,
• discipline,
• measure,
• entity,
• ability,
• communication,
• job,
• operation,
• amount,