Modifiers matching income:

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

Simple categories matching unearned:

• income,
• payment,
• amount,
• thing,