Modifiers matching sign:

• developmental,
• structural,
• vital,
• temporary,
• promotional,
• durable,
• objective,
• public,
• motor,
• visible,
• color,
• neuropsychiatric,
• nervous,
• symbolic,
• animal,
• behavioural,
• nonverbal,
• early,
• severe,
• physical,
• national,
• meaningful,
• vocal,
• negative,
• seasonal,
• visual,
• external,
• toxic,
• new,
• audible,
• recognisable,
• feminine,
• concrete,
• wooden,
• informational,
• verbal,
• complex,
• normal,
• weather,
• initial,
• sacred,
• abstract,
• logical,
• changing,
• discrete,
• sensorial,
• exterior,
• romantic,
• emotional,
• neurological,
• lightweight,
• directional,
• physiological,
• graphic,
• smaller,
• formal,
• recognizable,
• private,
• unusual,
• local,
• mental,
• behavioral,
• traditional,
• regular,
• important,
• artificial,
• medical,
• decorative,
• tangible,
• official,
• small,
• neurologic,
• positive,
• modern,
• incidental,
• typical,
• flexible,
• exempt,
• special,
• linguistic,
• natural,
• red,
• common,
• digital,
• critical,
• moveable,
• primitive,
• clinical,
• geometric,
• larger,
• nonlinguistic,
• transient,
• detailed,
• corporate,
• sensitive,
• musical,
• flying,
• simple,
• soft,
• specialized,
• elementary,
• secondary,
• cold,
• mathematical,
• editorial,
• electronic,
• episodic,
• freestanding,
• cardiovascular,
• written,
• permanent,
• noncommercial,
• ordinary,
• clear,
• economic,
• subtle,
• diacritic,
• varied,
• large,
• distinct,
• conventional,
• oversized,
• static,
• outdoor,
• religious,
• surrounding,
• repetitive,
• graphical,
• social,
• representational,
• vertical,
• christian,
• flat,
• abnormal,
• auditory,
• minor,
• commercial,
• metal,
• outward,
• typographical,
• light,
• oral,
• legal,
• basic,
• specified,
• cultural,
• inflatable,

Simple categories matching red:

• shade,
• organs,
• stone,
• fruit,
• part,
• sign,
• animal,
• vegetable,
• metal,
• spice,
• annual,
• pot,
• berry,
• food,
• red,
• flower,
• substance,
• green,
• decoration,
• plant,
• product,
• pastel,
• style,
• chile,
• varietal,
• object,
• color,
• beverage,
• gemstone,
• liquid,
• rock,
• chilli,
• wine,
• apple,
• activity,
• gelatin,
• chili,
• meat,
• stuff,
• gem,
• mineral,
• soil,
• earth,
• yellow,
• article,
• crystal,
• fish,
• brick,
• material,
• soup,
• item,
• veggie,
• plum,
• thing,
• accessory,
• grape,