Please accept "Backstreet Boys" for the NSYNC question. I was forced to listen to both extensively in middle and high school, and I am confident that they are the same thing.
NOTE: It should be obvious, but because this is the internet, yes, I am kidding.
I think on some of the other languages BF is accepted shorthand for Burkina Faso. What are the snowball's chances of it making its way to the English side?
Sorry, my 4-year old relative sings that nonstop.
http://www.jetpunk.com/user-quizzes/212585/guess-the-name-surname-in-a-movie-title
NOTE: It should be obvious, but because this is the internet, yes, I am kidding.