RemoveAllStyleAliases

Under.zip (XStyles) "RemoveAllStyleAliases" - Attempts to remove all style aliases. If you have not seen these, be grateful.

Inspect your Format, Styles, organizer dialogue; Select a style, choose rename and append a comma and a new name, thus "Footnote Text, FN".

FN is now an alias for the "Footnote text" style. Create some aliases (if you don't already have some!), then run the macro.