Remarkably, in commercialese

• "But wait, there's more" in ad-speak
• Additional, in adspeak
• More, on product labels
• More, at the supermarket
• "At no cost!"
• More, in commercial lingo
• Ad come-on word
• Added, in ads

Wikipedia Word definitions in Wikipedia
For the cargo bicycle producer see: Xtracycle The Xtra was an English three-wheel cyclecar built from 1922 to 1924 by Xtra Cars, Ltd., of Chertsey , Surrey. A very basic machine, it was designed by Cuthbert Clarke and resembled a three-wheeled sidecar in ...