• coulc,
• gouls,
• ecuals,
• couls,
• colse,
• joels,
• cols,
• coulp,
• ciels,
• coules,
• kcals,
• carls,
• coupls,
• coahes,
• ckass,
• coads,
• calos,
• corols,
• calss,
• coaces

• coils,
• cools,
• CLAWS,
• class,
• calls,
• foals,
• curls,
• coats,
• coal.

The adjective form of the word "coals" is "coal".

The plural form of the word "coals" is still "coals".

The singular form of the word "Coals" is "Coal"