Mostly I've been going through the wiki, with a few supplemental posts such as Bethar's alphabet post. From what I've read so far, it seems that direction names have changed (for instance, hard to believe that Setir means south when the mountains are north or northeast of the Empire). There are also some words lacking that would be useful for naming (example, only two colors are named).
http://fubarnii.pbworks.com/w/page/4236232/ProtoFubarnii