Modifiers matching coin:

• individual,
• large,
• real,
• small,
• foreign,
• modern,
• antique,
• size,
• monetary,
• common,
• larger,
• standard,
• minor,
• thin,
• rare,
• sized,
• circular,
• smaller,
• slippery,

Simple categories matching slippery:

• lubricant,
• surface,
• item,
• course,
• fabric,
• stuff,
• ground,
• substance,
• solid,
• cloth,
• prey,
• material,
• area,
• fish,
• substrate,
• insulator,
• fiber,
• reptile,
• sediment,
• layer,
• condition,
• plastic,
• contaminant,
• food,
• flooring,
• coin,
• floor,
• coating,