Modifiers matching obligation:

• legal,
• primary,
• published,
• scholarly,
• financial,
• safe,
• marketable,
• ongoing,
• secure,
• economic,
• monthly,
• sovereign,
• contractual,
• outside,
• regular,
• written,
• natural,
• fixed,
• professional,
• basic,
• corporate,
• small,
• political,
• ethical,
• monetary,
• moral,
• public,
• private,
• governmental,
• civil,
• legislative,
• military,
• signed,

Simple categories matching monetary:

• benefit,
• medium,
• aid,
• instrument,
• measure,
• metal,
• form,
• value,
• development,
• commodity,
• object,
• holding,
• source,
• assets,
• terms,
• issue,
• obligation,
• incentive,
• currency,
• return,
• disturbance,
• token,
• nature,
• transaction,
• machine,
• reward,
• expense,
• symbol,
• attribute,
• award,
• yardstick,
• body,
• project,
• information,
• unit,
• phenomenon,
• aggregate,
• coin,
• amount,
• variable,
• asset,