Cough syrup ingredients include CODEINE (7 letters), sap (3 letters), teaspoon (8 letters), ipecac (6 letters), menthol (7 letters), and TOLU (4 letters). CODEINE is an opioid pain reliever that is used in some cough syrups to reduce coughing. Sap is a liquid produced by plants, and it is sometimes used as an ingredient in cough syrup. Teaspoon is a unit of measurement for small amounts of liquid, and it is often used to measure out cough syrup ingredients. Ipecac is a plant-based syrup that is used to induce vomiting, and it is sometimes used in cough syrup to help clear mucus from the throat. Menthol is a minty substance that is used to give cough syrup a pleasant taste. TOLU is a type of tree resin that is used in some cough syrups to help soothe sore throats.