Google seems to be testing a new section on the local knowledge panels named "often searched together." Mordy Oberstein found this and said on Twitter that it is a "great way to see who your local competitors really are."
Here is the screenshot he shared on Twitter:
We recently saw the often searched together as a people also ask alternative. So it is interesting to see the same wording here in the knowledge panel.
Google local is good at showing competitors over the years.
Forum discussion at Twitter.