Soubriquet and Tag

Soubriquet noun - A familiar name for a person (often a shortened version of a person's given name).

Tag and soubriquet are semantically related In some cases you can replace term "Tag" with "Soubriquet", this nouns are similar.

Tag noun - A slip (as of paper or cloth) that is attached to something to identify or describe it.

Soubriquet and tag are semantically related in nickname topic. Sometimes you can use "Soubriquet" instead a noun "Tag".