The crossword solution for the term 'Stein Relative' is 'TANKARD', which is a seven-letter word. A TANKARD is a large drinking vessel, usually made of metal or wood, with a handle and a hinged lid. It is typically used to serve beer or other alcoholic beverages. Tankards have been around since the Middle Ages and were popularized by Germanic cultures, such as the Bavarians, who used them to drink beer from a stein. The stein is a type of mug with a lid, and is related to the TANKARD in that they are both vessels used to drink beer.