Modifiers matching board:

• governing,
• white,
• wooden,
• special,
• recreational,
• weak,
• flat,
• clean,
• thick,
• smooth,
• sliding,
• finished,
• new,
• fabricated,
• hard,
• solid,
• interactive,
• local,
• light,
• sturdy,
• inorganic,

Simple categories matching smooth:

• hardboard,
• singer,
• fabric,
• person,
• support,
• form,
• actor,
• plate,
• instrument,
• object,
• substance,
• child,
• crooner,
• curve,
• sphere,
• leaf,
• tissue,
• musician,
• stone,
• plant,
• rapper,
• boundary,
• sheet,
• furnishing,
• flooring,
• roadway,
• body,
• medium,
• detective,
• warrior,
• operation,
• comedian,
• feature,
• figure,
• set,
• ice,
• politician,
• pasta,
• interface,
• plastic,
• yarn,
• cotton,
• highway,
• line,
• stick,
• dancer,
• solid,
• circuit,
• thing,
• skin,
• function,
• operations,
• area,
• food,
• fiber,
• wall,
• region,
• fruit,
• roller,
• metal,
• portion,
• flavor,
• part,
• ball,
• article,
• cloth,
• rock,
• implement,
• yogurt,
• structure,
• muscle,
• layer,
• floor,
• dessert,
• color,
• board,
• surface,
• hardwood,
• container,
• shape,
• material,
• coating,
• item,
• substrate,
• block,
• filter,
• leather,
• location,
• polymer,