• coinacian,
• coniacain,
• coniaacian,
• cnoiacian,
• coniaican,
• coaniacian,
• coniaicin

• conductor,
• concession,
• conception,
• concision,
• conic,
• condition,
• Concessionary,
• concentration,
• continuous,
• convention,
• coniferous,
• confusion,
• concussion,
• connection,
• conviction,
• conciseness,
• concentric,
• confrontation,
• conservation,
• construction.

The adjective form of the word "Coniacian" is "Coniacian".

The plural form of the word "coniacian" is "coniacians".

The singular form of the word "coniacian" is "coniacian".