The word word is not the twenty-ninth most-used word in the English language.
Yet. According to The Reading Teachers Book of Lists, Third Edition, the word word is the thirtieth most-used word in English, and as a supporter of the word word, I keep pointing out that the thirtieth most-used word in English is the word word, hoping to elevate it to at least twenty-ninth in the fourth edition. I’ll keep you posted.