“Friendster,” “Klum,” “Nazr,” “Obama,” and “Racicot”
Microsoft has a patch out:

That’s an awful lot of megs, to be sure - just how many words are we talking about here? Microsoft explains:
The words “Friendster,” “Klum,” “Nazr,” “Obama,” and “Racicot” are not recognized when you check the spelling in Windows Vista and in Windows Server 2008.
Woa. That’s over 11 Mb per word. That’s what I call “bloat”!
(Oh, and you need to reboot after applying this patch - cool!)