The term 'Pepsi Alternative' can be summarized by two crossword solutions: COKE (4 letters) and RC Cola (6 letters). COKE is a carbonated soft drink produced by The Coca-Cola Company, which was founded in 1886. 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. Both COKE and RC Cola are popular alternatives to Pepsi, a carbonated soft drink produced by PepsiCo, which was founded in 1965.