Open the centerfold of the Nov. 7, 2011, issue of Sports Illustrated and you will see Peter King's NFL midseason all-pro team. Read closely and you will see an error.
Wide receiver Steve Smith plays for the Carolina Panthers. Carolina has trouble scoring. Its offense, in a sense, is offensive. So is using the word offensives instead of offenses.
The best defense against improper word usage? A good offense, of course.