ad


ad
ad, advert
are frequent colloquial shortened forms of advertisement, both dating from the middle of the 19c and now widespread in informal use

• (If you examine the adverts for personal computers…you'll find that almost nowhere do the ads promise you any kind of concrete benefit —Your Computer, 1984).

Ad has become much more common in recent years, while advert remains predominantly British.

Modern English usage. 2014.