Bagnios are a type of public bathhouse or brothel that were common in the past, but the word itself is rarely used in modern English. However, there are several synonyms for bagnios that can be used instead. These include terms like bathhouse, spa, sauna, steam room, and massage parlor. Each of these words has its own unique connotations and associations, but they can all be used to refer to a place where people go to relax, unwind, and indulge in various forms of physical and sensory pleasure. Whether you're looking for a hot tub, a massage, or a mud bath, there's sure to be a bagnio synonym that fits the bill.