• endusers,
• enduser,
• end usur,
• endpuser,
• end0-user,
• end-0user,
• endp-user,
• end-puser,
• end--user,
• endmuser,
• End-users,
• End-usor,
• Endusor,
• Endusur

The adjective form of the word "end-user" is "end-user". It remains the same in both noun and adjective form.

The plural form of the word "end-user" is "end-users".

The singular form of the word "end-user" is "end-user". The word does not change in singular form, as it refers to a single individual or entity that utilizes or interacts with a product or service.