Proprietrix is a term used to describe a female owner of a property or business. If you're looking for alternative words to use in place of the word proprietrix, consider using options like owner, proprietor, landlady, businesswoman, or boss lady. Other options include lady boss, female executive, chief executive officer, or CEO. There are also synonyms that may not necessarily refer to a woman specifically but still accurately convey ownership, such as holder, possessor, or controller. Ultimately, the word you choose will depend on the context in which you are using it, as well as your preference for language.