You two are on all CJK threads today I see.
At least, toracat, you only misspelled group in one thread. Unlike myself, who never mistue--errm mistyps--errm, mistypes.
Toracat, I'm surprised you didn't know about that one--it's one minor drawback of yum, grouplist will show something like languages, but not the individual language packages available.
For me, I prefer to not install them actually, because they give me far more than I need. For example Japanese will bring in canna and kinput2, which is so CentOS 4.
So, let me join with toracat in thanking Maverick. I have to go back and review my Japanese page and make sure I have this mentioned.