Furfur is a term that is used to refer to things such as flakes of skin or dandruff. There are several synonyms that can be used to describe similar things, such as scurf, flake, peel, and shard. These words all refer to small pieces or fragments of something that has come apart or been shed. Other synonyms for furfur might include dust, powder, or granules, depending on the context in which the term is being used. Ultimately, the choice of synonym will depend on the specific meaning and nuance of the word in a given sentence or phrase.