Modifiers matching principle:

• psychological,
• oriental,
• basic,
• personal,
• abstract,
• behavioral,
• theoretical,
• ethical,
• underlying,
• electrical,
• religious,
• physical,
• syntactic,
• legal,
• broad,
• linguistic,
• formal,
• impersonal,
• geometric,
• general,
• conceptual,
• mathematical,
• perceptual,
• constitutional,
• literary,
• logical,
• mechanical,
• topological,
• mental,
• organizational,
• normative,
• scientific,
• important,
• geological,
• ecological,
• similar,
• elementary,
• major,
• philosophical,
• structural,
• global,
• distributive,
• international,
• traditional,
• practical,

Simple categories matching ecological:

• object,
• boundary,
• process,
• system,
• phenomenon,
• trait,
• community,
• study,
• attribute,
• level,
• unit,
• activity,
• theory,
• item,
• niche,
• condition,
• material,
• assay,
• variable,
• factor,
• change,
• elements,
• action,
• data,
• interaction,
• cloth,
• research,
• pattern,
• measure,
• service,
• component,
• zone,
• fabric,
• force,
• criterion,
• terms,
• function,
• building,
• deterioration,
• point,
• issue,
• habitat,
• association,
• values,
• flux,
• region,
• restoration,
• feature,
• damage,
• information,
• surprise,
• practice,
• behaviour,
• consequence,
• area,
• difference,
• textile,
• concept,
• event,
• catastrophe,
• scene,
• organization,
• whole,
• behavior,
• context,
• project,
• disturbance,
• experience,
• environment,
• space,
• gradient,
• characteristic,
• affinity,
• situation,
• assessment,
• quality,
• hazard,
• fiber,
• property,
• agent,
• principle,
• disaster,
• flow,