How to spell CLIENTSS correctly?

One possible correct suggestion for the misspelling "clientss" is simply "clients". Alternatively, if the intended meaning is plural, "clients" can be followed by an apostrophe, like "clients'". Another possibility is to use a different word altogether, such as "customers" or "patients" depending on the context.

• client She was meeting her new client for the first time.
• Clients Our top priority is ensuring the satisfaction of our clients.

Intertubing

• antedating
• entertain
• entertainer
• entertaining
• inditing
• inner-tubing
• intertwine
• interurban
• intuiting
• undertaking