A "written document" can also be referred to as a "text" or "paperwork". Another synonym that is commonly used is "manuscript", which typically refers to a more formal or official document. "Record" and "file" can also be appropriate synonyms, especially when referring to documents that are kept for legal or administrative purposes. When referring to shorter, less formal documents, "note" or "memorandum" may be more appropriate. "Report" and "statement" are additional options for longer, more detailed documents that convey information. Ultimately, the choice of synonym will depend on the context and purpose of the document in question.