The Spanish word 'cepo', meaning 'stock' or 'pillory' (a wooden framework with holes for securing a person's head and hands, used as a form of punishment), comes from the Latin word 'cippus', which meant 'post, stake, or pillar'. The semantic evolution from a simple post or stake to a device for punishment reflects how these wooden structures were adapted for use in medieval justice systems.

While 'cepo' doesn't have many common Spanish relatives that would be immediately recognizable to beginners, it's worth noting that this word is relatively straightforward and commonly encountered in historical contexts or when discussing traditional forms of punishment.

While English doesn't have any common modern words directly related to 'cepo', the Latin 'cippus' did influence some specialized English terms. The word 'cippus' itself is sometimes used in English archaeological contexts to refer to ancient Roman boundary stones or funeral monuments.