I'm running the 2007 Office suite, and starting to wonder a bit about the quirks of the programmers they have. Everybody knows the story of the dictionary they used to use: If you mis-spell a word MSWord offers a list of possible words that have spellings close to what you typed, and for "zzzz" it used to offer "sex" as an option.
I typed "though I walk through the valley of the shadow of death, I will fear no evil" and it highlighted "fear." Pretty sure I'd spelled it right, I moved the mouse over to see what options it preferred. "Hear"