Butyraceous refers to something that resembles or contains butter, however, there are various other synonyms that can be used to describe such a texture or consistency. Oily, fat-like, greasy, creamy are some of the synonyms that can be used in place of butyraceous. While these adjectives are all related to the texture and nature of butter, each one varies slightly in meaning and usage. For example, oily may refer to something that is slick and glossy, while fat-like may simply indicate something that is thick and heavy. Ultimately, the choice of synonym will depend on the specific context and the nuances of the word being used.