Tetterwort is a medical plant that has been used for centuries to treat skin conditions such as eczema and psoriasis. However, there are also many synonyms used to refer to this plant. Some of the most common ones include bloodwort, marsh marigold, cowslip, and meadow buttercup. All of these names refer to the same plant, with bright yellow flowers and thick green leaves. Tetterwort is a powerful herbal remedy that can help to soothe and heal various skin conditions, making it an important addition to any herbal medicine cabinet. Whether you call it tetterwort, bloodwort, or cowslip, this plant can offer a range of benefits for your health and well-being.