Modifiers matching earnings:

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

Simple categories matching monthly:

• expense,
• event,
• allowance,
• benefit,
• deposit,
• activity,
• payment,
• receipts,
• amount,
• tax,
• bill,
• item,
• meeting,
• essential,
• utility,
• income,
• objective,
• party,
• outlay,
• charge,
• outing,
• expenditure,
• interval,
• magazine,
• commitment,
• indicator,
• sport,
• report,
• earnings,
• correspondence,
• business,
• journal,
• terms,
• fee,
• obligation,
• adventure,
• data,
• gathering,