Bad grammar in the Wonderful Pistachios dominatrix ad
The recent commercial for Wonderful brand pistachios, embedded below, portrays a dominatrix whipping a pistachio. The subject matter doesn’t concern me, but the bad grammar does. The ad says “Dominatrix do it on command,” using the word “dominatrix” as a plural for itself. That is just plain wrong. According to logic, countless overheard references and even Wikipedia, the correct plural is “dominatrices.” Just like matrices in math class. This isn’t the most egregious grammar offense I’ve seen in advertisements lately, but it’s still worth pointing out.