• xeylonite,
• veylonite,
• feylonite,
• deylonite,
• cwylonite,
• csylonite,
• ceylinite,
• ceyllonite,
• celonite,
• ceylonit,
• seylonite,
• ceylanit,
• ceylanite,
• seylanite,
• Ceilanite,
• Ceylenite,
• Ceyllonit,
• Ceylonnit,
• Ceylonet,
• Seylenite

• celentano,
• celandine,
• Celinda.

The correct adjective form of "Ceylonite" is "Ceylonitic".

The plural form of the word "ceylonite" remains the same, as it is an uncountable noun.

The singular form of the word "ceylonite" is "ceylonite". The word does not change in its singular form.