Backlog and Yule log

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).

Yule log and backlog are semantically related. In some cases you can replace phrase "Yule log" with "Backlog", this terms are similar.

Yule log noun - Large log traditionally burned at Christmas.

Backlog and yule log are semantically related. You can use "Backlog" instead a noun phrase "Yule log".