The crossword solution for the term 'plagues' with 'AT' is GNAWS. Plagues are diseases that spread quickly and cause widespread destruction. They have been a major cause of death throughout history, and some of the most famous plagues include the Black Death, the Spanish Flu, and the Plague of Justinian. GNAWS is an appropriate word to describe the effects of plagues, as they can cause severe damage to populations and leave lasting scars.