The term 'TUBERS' is an appropriate crossword solution for the phrase 'Potatoes and Yams, ' as TUBERS are a type of edible root vegetable that includes both potatoes and yams. Potatoes are a starchy tuberous crop from the perennial nightshade Solanum tuberosum, while yams are a starchy edible root vegetable of the genus Dioscorea. Both potatoes and yams are widely cultivated and consumed around the world.