How to spell RECEIVEDS correctly?

The correct spelling of "receiveds" is simply "received". It may have been mistakenly pluralized, but adding an "-s" at the end is unnecessary. Other correct suggestions could include "receipts" if referring to documentation of receipt or "receivers" if referring to a person or device that receives something.

• received I received an email from my boss congratulating me on my successful project completion.
• receivers The football team needs more reliable receivers to catch passes from the quarterback.
• receives The store receives a new shipment of products every Monday.

Ponnies

• panniers
• pennies
• peonies
• pones
• ponies