Modifiers matching income:

• corporate,
• periodic,
• extra,
• primary,
• passive,
• unearned,
• secondary,
• individual,
• additional,
• current,
• personal,
• earned,
• fixed,
• out,
• australian,
• movable,
• future,
• local,
• global,
• active,
• independent,
• regular,
• miscellaneous,
• annual,
• ordinary,
• foreign,
• outside,
• private,
• related,
• monthly,
• economic,
• financial,
• variable,
• ancillary,
• taxable,
• total,
• domestic,
• alternative,
• significant,

Simple categories matching passive:

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