Tallower is a term used to describe a type of wax produced from animal fats. This substance has a long history of use in various industries, such as candles, soaps, and cosmetics. However, there are several synonyms for tallower that may be more commonly used in some contexts. One such synonym is tallow, which is a more general term for the same type of wax. Other synonyms include suet, lard, and animal fat. These terms may be more specific than tallower, but they all refer to the same basic material used in a range of products.