Yet another case where people try to rely on a confusing acronym to make themselves seem cool, rather than just typing the name. This isn't the 20th century anymore. We either have keyboards, or we have phones with keyboards that can even be swiped and be trained on certain words.
If you need a short name, call her Fulcrum. (Zulcrum when zeta'ed.) A single word to distinguish her from everyone else.
Just like Tarkin, and Thrawn, and Annie. Not GMT, GAT, and JKA. Like, why make more effort to try to read what you're talking about?
And while we're at it, Thrawn's zeta name is Zahn. It just makes sense if you know anything about his origins.