Some fonts are greyed out

Yes, I do have English keyboard, but I rarely use it. I write latin characters. SR stands for Serbian, and Spell Checker is always in Croatian, no matter what language I'm writing in, but it changes to English if I use English keyboard. This wouldn't be much of a problem if fonts weren't in such a light grey color which makes them hard to see. The other problem is that Serbian keyboard switches Y and Z letters compared to English keyboard and this makes using the Undo function hard because of the muscle memory/habbit.