n Z. The letter that the Americans pronounce “zee,” the Brits pronounce “zed.” Products with the super-snappy prefix “EZ” added to their names don’t tend do quite so well in the U.K. And yes, this does mean that British schoolchildren never hear the “alphabet song” that ends “now I know my A-B-C / next time won’t you sing with me?” as it relies somewhat on the G / P / V / Z rhyme. Perhaps G, P and V could be renamed “ged,” “ped” and “ved” in order to adopt it. I might write to the education minister saying as much.

n also “Zimmer frame” walker. One of those four-legged frame devices that the elderly use in order to help them get around the place. Zimmer is the brand name of a manufacturer of these things.