• wlfenfolk,
• slfenfolk,
• dlfenfolk,
• rlfenfolk,
• 4lfenfolk,
• 3lfenfolk,
• ekfenfolk,
• epfenfolk,
• eofenfolk,
• eldenfolk,
• elcenfolk,
• elvenfolk,
• elgenfolk,
• elfenfolke,
• Elfinfolk,
• Elfenfeolk,
• Elffolk,
• Elfinfolke,
• Elphenfolk,
• Elvenfolke

The adjective form of the word "elfenfolk" is "elfin".

The plural form of the word "elfenfolk" is "elfenfolks"

The singular form of the word "elfenfolk" is "elfenfolk". The term itself refers to a group of mythological beings or fairies, so the singular and plural forms remains the same.