Fobs are a type of short chains or straps that are used to hold keys or other small items. There are a number of different synonyms that can be used to describe fobs, depending on the context in which they are being used. Some common synonyms for fobs include key chains, key rings, key holders, key cases, key fobs, and key tags. Other terms used to describe fobs might include lanyards, tassels, charms, or pendants. Generally, the term "fob" is used to refer specifically to the kind of short, attached chain that keeps your keys organized and easily accessible.