INDIGESTION AID is a term used to describe products that help relieve symptoms of indigestion. BICARB and ANTACID are two common solutions for this problem. BICARB is a six letter word that refers to sodium bicarbonate, an alkaline compound that helps neutralize stomach acid. ANTACID is a seven letter word that refers to a type of medication that helps reduce the amount of acid in the stomach. Both BICARB and ANTACID can be used as INDIGESTION AIDs to help relieve symptoms of indigestion.