Category Nuances for null:

• mathematical,
• crisp,
• complex,
• eucaryotic,
• valued,
• scalar,
• primitive,
• mammalian,
• transcendental,
• usual,
• simple,
• elementary,
• possible,
• real,
• complicated,
• intrinsic,
• empirical,
• basic,
• resistant,
• ordinary,
• scientific,
• small,
• periodic,
• common,
• special,
• metallic,
• noxious,
• organic,
• statistical,
• trigonometric,
• minor,
• cheap,
• active,

Simple Categories for null:

• constituent,
• lettuce,
• function,
• contaminant,
• sulfide,
• cell,
• sulfur,
• group,
• compound,
• solute,
• item,
• chloride,
• sulphide,
• material,