The term SOME POPS refers to four different types of soft drinks: PEPSIS (6 letters), COLAS (5 letters), RCS (3 letters), and RCCOLAS (7 letters). PEPSIS is a brand of carbonated soft drink produced and manufactured by PepsiCo. COLAS are a type of sweetened, carbonated soft drinks that are flavored with either natural or artificial cola flavorings. RCS stands for Royal Crown Cola, a brand of cola-flavored soft drink. RCCOLAS are a type of soft drink produced by the Royal Crown Company, which is a subsidiary of the Dr Pepper Snapple Group.