In short, the “correct” word is ‘rack,’ but of course they should just be treated as spelling variations at this point. Probably the most sensible attitude would be to ignore the etymologies of rack and wrack (which, of course, is exactly what most people do) and regard them simply as spelling variants of one word. If you choose to toe the line drawn by the commentators, however, you will want to write nerve-racking, rack one’s brains, storm-wracked, and for good measure wrack and ruin. Then you will have nothing to worry about being criticized for—except, of course, for using too many clichés.

Beautiful photographs to demonstrate words.

"There are many terms which refer to a state of relating to or pertaining to a certain thing or category of things. Instead of using a phrase such as 'pertaining to buttercups', you can substitute the adjective 'ranunculaceous'. Using the admittedly invented phrase 'adjectives of relation', I have compiled 842 such terms."

"The NATO phonetic alphabet, more formally the international radiotelephony spelling alphabet, is the most widely used spelling alphabet. ... The paramount reason is to ensure intelligibility of voice signals over radio links.

A nicely designed list of the words of the year. Seems like half are from the election. Can't say I've ever heard of a "fish pedicure," but there it is.