The term 'Coke Alternative' can be summarized by two crossword solutions: Pepsi (5 letters) and RC Cola (6 letters). Pepsi is a carbonated soft drink created and produced by PepsiCo. It was first introduced in 1893 and has since become one of the world's most popular beverages. RC Cola, or Royal Crown Cola, is a brand of cola-flavored soft drink created in 1905 by Claud A. Hatcher, a pharmacist in Columbus, Georgia. It is now owned by the Dr Pepper Snapple Group. Both Pepsi and RC Cola are popular alternatives to Coke and are widely available around the world.