Autocompleting words in Mac OS X
Whenever you next find yourself penning an email in Mail, a script in Textedit, or a message in iChat, try tapping the “Escape” key halfway through the word you’re typing, you’ll see a drop down list of words that OS X has fetched from the Oxford American Dictionary, selecting one of these and tapping the “Return” key will save you a few seconds and also ensure your spelling is correct.
This technique will even expand your vocabulary and may win you your next game of Scrabble.