Graphemic refers to the study of written symbols and their relationships. There are several synonyms for graphemic, including orthographic, typographic, and writing system. Orthographic pertains to the correct way of spelling and writing words, while typographic refers to the arrangement and design of typefaces and printed matter. Writing system, on the other hand, refers to the set of rules and symbols used to represent a language in writing. Other related synonyms include script, glyphic, and character system. Together, these words describe the intricate workings and structures of written communication. Understanding them is essential for anyone looking to communicate effectively in a written form.