A bawdyhouse is a term used to describe a house of prostitution or a brothel. However, there are several synonyms available that can be used instead of this term to add variety and eliminate repetition in your writing. Some of the common synonyms include "whorehouse," "house of ill repute," "den of iniquity," "red-light district," "pleasure house," and "house of assignation." Other informal terms include "cat house," "knocking shop," "love nest," "clip joint," and "disorderly house." Each of these terms carries a different connotation and degree of offensiveness, so it is important to choose the right one based on the context and audience.