• xockaigne,
• vockaigne,
• fockaigne,
• dockaigne,
• cickaigne,
• ckckaigne,
• clckaigne,
• cpckaigne,
• c0ckaigne,
• c9ckaigne,
• coxkaigne,
• covkaigne,
• cofkaigne,
• codkaigne,
• cocjaigne,
• cocmaigne,
• cokaigne,
• cockaign,
• cockaygne,
• Cockane

• cosign,
• co-sign,
• cosigner.

The adjective form of the word "cockaigne" is "cockaignish".

The plural form of the word "cockaigne" is "cockaignes"

The singular form of the word "cockaigne" is "cockaigne". The word does not have a separate singular and plural form.