Mikvah is a Hebrew word that refers to a bath used for ritual purification in Judaism. It is an important part of Jewish tradition and is used for a variety of reasons such as after menstruation or childbirth. There are several synonyms for this word, including "ritual bath," "ritual pool," and "ritual immersion." The word "tevilah" is also used to describe a ritual immersion in a mikvah, and it is derived from the Hebrew word for immersion. While the mikvah is primarily used for religious reasons, it can also be used for health and hygiene purposes. Overall, the mikvah is a significant part of Jewish culture and has been used for centuries for spiritual and practical reasons.