Category Nuances for null:

• cellular,
• damaging,
• domestic,
• environmental,
• older,
• common,
• cute,
• nonruminant,
• medical,
• smaller,
• familiar,
• physical,
• noninvasive,
• real,
• everyday,
• innocent,
• blooded,
• strong,
• restricted,
• antisocial,
• wrong,
• domesticated,
• mammalian,
• special,
• interested,
• treasured,
• lower,
• defenseless,
• individual,
• solemn,
• larger,
• short,
• personal,
• unpleasant,
• neural,
• harmless,
• dependent,
• bigger,
• temporary,
• big,
• unexpected,
• plastic,
• diverse,
• fine,
• interesting,
• radiological,
• electrical,
• therapeutic,
• harmful,
• complex,
• favorite,
• relevant,
• feral,
• desirable,
• out,
• combustible,
• home,
• normal,
• investigative,
• new,
• typical,
• complicated,
• favourite,
• additional,
• metabolic,
• easier,
• external,
• residential,
• movable,
• size,
• useful,
• urban,
• general,
• similar,
• intermediate,
• computational,
• indoor,
• lovely,
• cuddly,
• moveable,
• animal,
• functional,
• smooth,
• small,
• valuable,
• anatomical,
• trivial,
• nonhuman,
• sentient,
• unsightly,
• grassroots,
• decorative,
• specialized,
• allergic,
• dirty,
• current,
• moving,
• alternative,
• easy,
• traditional,
• nuclear,
• captive,
• specialised,
• precious,
• warm,
• vulnerable,
• digital,
• disparate,
• healthy,
• recreational,
• mobile,
• good,
• animate,
• legged,
• conventional,
• opaque,
• breeding,
• molecular,
• neuronal,
• technical,
• innocuous,
• local,
• conductive,
• secondary,
• memorable,
• complementary,
• potential,
• stable,
• sharp,
• diagnostic,
• fluffy,
• american,

Simple Categories for null:

• waste,
• animal,
• object,
• host,
• user,
• practice,
• artifact,
• property,
• thing,
• search,
• agent,
• item,
• photography,
• use,
• desire,
• process,
• behaviour,
• procedure,
• creature,
• business,
• market,
• activation,
• precursor,
• part,
• imaging,
• prey,
• situation,
• activity,
• set,
• condition,
• support,
• ceremony,
• measure,
• conflict,
• knowledge,
• creation,
• nature,
• carrier,
• miracle,
• variation,
• victim,
• web,
• radiology,
• enjoyment,
• cause,
• critter,
• organism,
• group,
• disposal,
• plant,
• disturbance,
• interference,
• catalyst,
• point,
• personality,
• unit,
• predator,
• space,
• being,
• stuff,
• danger,