"Mis know" is a term that is often used when someone is not aware of or misunderstands a particular situation, concept, or fact. Some synonyms for "mis know" include "misunderstand," "misinterpret," "misconceive," "misperceive," and "mistakenly believe." These words all convey the idea of not having a clear understanding of something, and can be used interchangeably depending on the context. The important thing is to choose the specific synonym that best reflects the intention or meaning that you want to convey. So, the next time you encounter the term "mis know," consider using one of these synonyms to enhance your writing or speech.