Modifiers matching simplification:

• common,
• topological,

Simple categories matching topological:

• structure,
• quality,
• case,
• attribute,
• entity,
• quantity,
• shape,
• relations,
• change,
• figure,
• principle,
• feature,
• property,
• query,
• transformation,
• measurement,
• information,
• level,
• modification,
• notion,
• condition,
• measure,
• primitive,
• simplification,
• problem,
• concept,
• affinity,
• relationship,
• space,
• artifact,
• difference,
• surface,
• disorder,
• index,
• transition,
• event,
• invariant,
• relation,
• constraint,
• defect,
• characteristic,
• fluid,
• configuration,