Modifiers matching earnings:

• passive,
• personal,
• additional,
• ongoing,
• taxable,
• monthly,
• foreign,
• current,
• regular,
• anticipated,

Simple categories matching passive:

• liquid,
• income,
• activity,
• block,
• recreation,
• structure,
• regulation,
• measure,
• sensor,
• mechanism,
• dispenser,
• technology,
• education,
• barrier,
• system,
• method,
• outlet,
• instruction,
• devices,
• process,
• medium,
• endeavour,
• component,
• state,
• losses,
• plate,
• vessel,
• device,
• part,
• mixer,
• object,
• circuit,
• procedure,
• area,
• assets,
• earnings,
• organism,
• gear,
• bird,
• instrument,
• facility,
• constraint,
• conveyor,
• level,
• form,
• tissue,
• concept,
• action,
• communication,
• material,
• emotion,
• dielectric,
• artefact,
• nature,
• source,
• therapy,
• tag,
• stretching,
• information,
• quality,
• production,
• program,
• content,
• character,
• restraint,
• use,
• exercise,
• treatment,
• inactivity,
• damper,
• constituent,
• motion,
• conductor,
• means,
• tool,
• craft,
• care,
• profit,
• entity,
• contaminant,
• intervention,
• game,
• safety,
• design,
• entertainment,
• radiator,
• investment,
• property,
• data,
• metal,
• implementation,
• characteristic,
• interference,
• attribute,
• task,
• attitude,
• energy,
• appliance,
• control,
• modality,
• movement,
• predator,
• transport,
• trap,
• usage,
• element,
• elements,
• display,
• particle,
• failure,
• access,
• stretch,
• gas,
• approach,
• equipment,
• cooling,
• obstacle,
• surface,
• feature,
• quantity,
• model,
• transducer,