Think you know words derived from French? This site has quite a few I didn't know.
http://spellingbee.com/observation.htm

List of winning words for previous years. Not so tough as I expected.
http://www.spellingbee.com/champs.shtml

Several of these words I don't know in either language, such as soubresaut. And what does the name of their newsletter, "Paideia", mean?

Pick me, I know! It's Greek for "education of a child." There's a wonderful private school in Atlanta called Paideia.

Oh, cool, Anna! Thank you! The word makes me think of Pangaea, which I just found out (from Atomica)means pan + earth.