I don't know where the southern term Coke came from.
Oh jeez, don't get me started on that one. We went to visit family in TN, and my uncle asked me, "Do you want a Grape coke, orange coke, root beer coke, or cola coke?" I was all turning around snickering my *** off.
Actually looking at the statistics, what I find intriguing are the percentages of respondants from various states. Of course California is #1 at 8.37% of the total, but guess who is #2? Pennsylvania?? Wow.
I grew up calling it Pop. Now I call it soda cause thats what the wife called it although she has lived here her whole life. Now I say soda and frankly Pop sounds pretty strange to me. But around this way pretty much everyone calls it Pop.