Misknown is a word that is not commonly used in everyday conversations. It means to misunderstand or to be mistaken about something or someone. However, there are several synonyms that can be used in its place, depending on the context and the intended message. Some possible synonyms include misapprehend, misconceive, misinterpret, misjudge, misread, and misrepresent. Each of these words has a slightly different nuance or connotation, but all refer to a lack of understanding or a mistaken perception. It is important to choose the right synonym to ensure that the intended meaning is conveyed accurately.