G-R-Y words vs. the search engine

Yes, I know this has been asked several times, I even attempted to look for the thread. I was somehow thwarted by our beloved search engine which spat out 508 responses, all of which were labelled “toaster mystery”. (As an aside, I was intrigued by the name, clicked on a few and, alas, they were about neither toasters, nor mysteries). So, please, what is the missing -gry word? There isn’t one, is there?

http://www.straightdope.com/classics/a3_251.html

or, less pleasantly,
http://www.straightdope.com/ubb/Forum3/HTML/003406.html