Us this tag to discuss creating or removing tag synonyms. A tag synonym makes two or more tags behave as one tag when tagging a question. It's most often used when a different term can mean the same thing (e.g. [united-nations] and [un]).
Tag synonyms can also be proposed by those with at least score 5 in the main tag (that is, the tag that is the synonym target). For example, to propose a synonym for united-states go to
https://politics.stackexchange.com/tags/united-states/synonyms. This link is also available from the tag itself.
Moderators also have the ability to create tag synonyms. Due to the relatively low number of users on this site with the appropriate privileges, the best option to create a new synonym is usually to suggest it on meta to generate a community consensus that the mods can then act on.