• konkookyo,
• konkokyo,
• konkyyo,
• konkkoayo,
• konkokoo,
• konkkkyyo,
• konkokiiyo,
• konkokyu

• concoct,
• concoctor,
• Concocun,
• Concocker,
• Concokun,
• Concoky,
• Concoctive,
• concoction,
• Conkokun,
• concise.

The plural form of the word "konkokyo" is "konkokyo." In the Japanese language, nouns do not typically change their form to indicate pluralization.

The singular form of the word "konkokyo" is "konkokyo" itself. "Konkokyo" is a Japanese religion, and it does not change in its singular form.