Medicinal root is a term used to describe plants that have medicinal properties. IPECAC, a six letter word, is a medicinal root derived from the plant Carapichea ipecacuanha and is used as an emetic to induce vomiting. Senega, also a six letter word, is a medicinal root derived from the plant Polygala senega and is used as an expectorant to treat respiratory ailments. Heartwort, a nine letter word, is a medicinal root derived from the plant Strophanthus gratus and is used to treat heart conditions.