Ring rot is a fungal disease that attacks potatoes, causing them to rot from the inside out and become soft. In order to prevent and treat this disease, it's important to be familiar with its synonyms and related terms. One common synonym for ring rot is "blackheart," which refers to the black, necrotic tissue that forms in the center of affected potatoes. Other related terms include "late blight," "early blight," and "potato scab," which are all fungal diseases that can affect potatoes and other crops. To prevent ring rot and other diseases, farmers and gardeners can implement measures such as crop rotation, sanitation, and fungicide application.