Backlog and Trove

Backlog noun - An accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services).

Trove and backlog are semantically related In some cases you can use "Trove" instead a noun "Backlog".

Trove noun - Treasure of unknown ownership found hidden.

Backlog and trove are semantically related in hoard topic. You can use "Backlog" instead a noun "Trove", if it concerns topics such as stockpile.