Tag Functionality Search

There is not out of the box tag suggestion functionality, no. I can see how that would be useful to softly guide members to use the same or similar tags. This is an ongoing challenge with tags being free form and open to user added entries.

Here's a pretty long standing product enhancement idea for that I suggest you share your support (and maybe promote it a bit) so that it gains traction again: https://community.lithium.com/t5/Product-Ideas/Auto-suggest-auto-complete-for-tags/idi-p/5352