Viyella refers to a type of fabric that is made of a blend of wool and cotton. The material is soft, smooth and warm, making it ideal for use in a variety of clothing items such as shirts, skirts and dresses. Although there are no direct synonyms for the term "viyella," there are a few other fabrics that closely resemble its appearance and texture, such as flannel or brushed cotton. Other similar fabrics include chambray, which is a lightweight cotton fabric with a slightly rough texture, and houndstooth, a woolen textile that sports a distinctive checkered pattern.