Cormous is a term that can be used to describe certain plants with an underground stem that stores nutrients. However, there are several words that can be used as synonyms for this word, such as tuberous, bulbous, and rhizomatous. Tuberous refers to plants that store nutrients in enlarged structures known as tubers, such as potatoes or sweet potatoes. Bulbous, on the other hand, describes plants that store nutrients in bulbs, such as onions or garlic. Finally, rhizomatous relates to plants that spread horizontally through underground stems called rhizomes, such as ginger or bamboo. These synonyms for cormous help describe a variety of different types of plants with unique underground storage structures.