I had suggested a tag synonym for a tag that was likely created due to a typo a few months ago, but it seems that the queue is not monitored. I also had a few more suggestions to clean up some redundant tags, so I decided to make a post. I believe most of these are very straightforward, but please let me know if any of them requires a separate discussion.
|bully is already a synonym of personal-misconduct. See here.
|bully and bullying combined with abuse
|Only one question, can alternatively be retagged.
|The tag info for social-media explicitly mentions Facebook as an example.
|Twitter is another social media site, and probably does not need its own separate tag.
|Questions tagged mistakes retagged
|Alternatively, should be disambiguated. Some discussion here.
|Questions tagged review retagged
|Suggested by Tripartio. 29 out of 44 questions are also tagged peer-review, and there seems to be no clear difference in the usage of the two.
Suggestions from answers: