How can i add new tag synonym?
31651
What are tag synonyms and merged tags? How do they work?
71649
Ability to add tag to Interesting/Ignored by clicking on it
114931
Extend a language with additional keywords?
158288
Warning or confirmation on new tag creation
95586
Have "Interesting Tags" that are combinations of tags
95873
Add "tag categories"
148377
Are you aware of the tag synonymization page?
75475
Including  tag in  tag
107858
Request to be able to delete tag synonyms
82922
Is it allowed to use other tags inside ?
4953
Search [tag1] OR [tag2]
74758
The tag suggester shouldn't suggest synonyms of tags that you've already used
21615
Allow [tag:tag-name] syntax to link to any site
44549
Use abbreviations for 1000+ score in linked posts
9070
Adding words to links generated by hyperref
151241
A real solution to ambiguous tags
156434
Tagging multiple questions at the same time?