The Google Books Ngram Viewer may not be remembered as one of the 21st Century’s most useful (or statistically sophisticated) inventions, but the patterns revealed in its phrase-frequency charts can be addictively entertaining. For example:
— Tar Heel vs. Tarheel
— beef barbecue vs. pork barbecue
— North Carolina football vs. North Carolina basketball
— University of North Carolina vs. Duke University
— Research Triangle vs. Bermuda Triangle and isosceles triangle